HTML (HyperText Markup Language) and PHP (Hypertext Preprocessor) are programming languages that can be used to create websites.
To use the database northwindmysql, the following steps need to be followed:
1. Create a database connection: For connecting to the northwindmysql database, use PHP's mysqli_connect() function. To create a connection, you need to provide the hostname, username, password, and database name.
2. HTML file creation: Create an HTML file that includes a table with four columns: Order ID, total_order, average_order, and count_order. Order ID is the field from the order_details table, while total_order, average_order, and count_order are calculated fields.
3. Data entry of OrderID value: Allow data entry of OrderID value and pass this value to the PHP file.
4. PHP file creation: Create a PHP file that retrieves the Order ID from the HTML file, uses it to fetch the necessary information from the northwindmysql database, and performs the necessary calculations for total_order, average_order, and count_order.
5. Return values to HTML for display: Return all calculated values to the HTML file for display.
Below is the sample code that performs the tasks mentioned above:
HTML File
```html
Order Details
Order Details
```
PHP File
```php
$total_order,
"average_order" => $average_order,
"count_order" => $count_order
);
echo json_encode($response);
// Close connection
mysqli_close($conn);
?>
```
The above code will allow data entry of OrderID value, pass this value to the PHP file, retrieve the information from the database, perform the calculations, and return all values to the HTML file for display.
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A) Which of these subjects would most likely be written about in a technical style? Which of these subjects would most likely be written about in an academic style? A sunset, An electric circuit, A computer screen, homelessness, graduation, A close friend, A first pet, A wedding flower.
B) Which of the following statements would you expect to come from a technical writing document? Which would come from personal writing or imaginative literature? How can you tell? What are your clues? i) My memory of her will never fade. She brought music into my life. ii) A neutral pH range between 6.5 and 7.5 provides a healthy environment for most community fish in a freshwater aquarium. iii) The bandwidth of a telecommunications medium is measured in Mbps, which stands for millions of bits per second or megabits per second. iv) The mist peeked over the marshland. v) Once upon a time, there was a princess who ruled a vast country. vi) To meet International Building Code requirements, stair risers must measure a maximum height of 7 inches and a minimum height of 4 inches.
A) In general, subjects related to technical fields or scientific concepts are more likely to be written about in a technical style, while subjects related to social or personal experiences are more likely to be written about in an academic style.
Subjects that would most likely be written about in a technical style:
- An electric circuit
- A computer screen
Subjects that would most likely be written about in an academic style:
- Homelessness
- Graduation
B) Clues for identifying technical writing versus personal writing or imaginative literature include the use of specific terminology, factual information, and a focus on providing instructions or conveying technical knowledge.
Statements that would likely come from a technical writing document:
- ii) A neutral pH range between 6.5 and 7.5 provides a healthy environment for most community fish in a freshwater aquarium.
- iii) The bandwidth of a telecommunications medium is measured in Mbps, which stands for millions of bits per second or megabits per second.
- vi) To meet International Building Code requirements, stair risers must measure a maximum height of 7 inches and a minimum height of 4 inches.
These statements contain specific technical information, use specialized terminology, and provide factual details related to their respective fields.
Statements that would likely come from personal writing or imaginative literature:
- i) My memory of her will never fade. She brought music into my life.
- iv) The mist peeked over the marshland.
- v) Once upon a time, there was a princess who ruled a vast country.
These statements focus on personal experiences, emotions, and storytelling elements, which are typical of personal writing or imaginative literature. They are less focused on providing technical information or factual details.or scientific concepts are more likely to be written about in a technical style, while subjects related to social or personal experiences are more likely to be written about in an academic style.
Subjects that would most likely be written about in a technical style:
- An electric circuit
- A computer screen
Subjects that would most likely be written about in an academic style:
- Homelessness
- Graduation
B) Clues for identifying technical writing versus personal writing or imaginative literature include the use of specific terminology, factual information, and a focus on providing instructions or conveying technical knowledge.
Statements that would likely come from a technical writing document:
- ii) A neutral pH range between 6.5 and 7.5 provides a healthy environment for most community fish in a freshwater aquarium.
- iii) The bandwidth of a telecommunications medium is measured in Mbps, which stands for millions of bits per second or megabits per second.
- vi) To meet International Building Code requirements, stair risers must measure a maximum height of 7 inches and a minimum height of 4 inches.
These statements contain specific technical information, use specialized terminology, and provide factual details related to their respective fields.
Statements that would likely come from personal writing or imaginative literature:
- i) My memory of her will never fade. She brought music into my life.
- iv) The mist peeked over the marshland.
- v) Once upon a time, there was a princess who ruled a vast country.
These statements focus on personal experiences, emotions, and storytelling elements, which are typical of personal writing or imaginative literature. They are less focused on providing technical information or factual details.
"Learn more about " subjects related to technical fields
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May you help with this?Thanks
Be sure to properly test your code using both valid and invalid inputs.
The Code:
/*
A,N
*/
// ***** 1. add your import statements here
import java.util.Scanner;
public class FirstScanner
{
public static void main( String [] args )
{
//*****
// 2. a. Create a Scanner object to read from the keyboard
// b. Prompt the user for their first name
// c. Print a message that says hello to the user
// d. Print a message that says how many letters
// are in the user's name
// Your code goes here
Scanner scan = new Scanner(System.in);
System.out.println ("Enter your first name.");
String name = scan.next();
System.out.println("Hello," + name);
//*****
// 3. a. Skip a line, then prompt the user for the year
// they were born.
// b. Declare a constant for the current year.
// c. Calculate and print the age the user will be this year.
// d. Declare a constant for average life expectancy,
// set its value to 78.94.
// e. Calculate and print the percentage
// of the user's expected life they've lived.
// Use the DecimalFormat class to format the percentage
// to one decimal place.
// your code goes here
System.out.println("Enter your birth year: ");
int age = scan.nextInt();
int newAge = 2022 - age;
System.out.println("This year, you will turn " + newAge);
DecimalFormat percentagePattern = new DecimalFormat
final double lifeExpectancy = 78.94;
double percentageLived = newAge / lifeExpectancy * 100;
System.out.println("You have lived" + percentageLived + %);
The given code is a program written in Java that prompts the user to enter their first name, then prompts them to enter their year of birth. Based on the year of birth entered by the user, the program computes the user's age and prints it.
After that, it calculates and prints the percentage of the user's expected life that they've lived, using an average life expectancy of 78.94 years. Here is the code to help with the improvements that need to be done with some comments on each step.
We have improved the code to prompt the user for their first name, then store it in a variable. Afterward, it greets the user with their name. Then, it prompts the user to enter their year of birth. The program computes the user's age and prints it to the console.
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In JAVA
Design the UML diagram for class TriangularPrism to represent a Triangular Prism and fully implement the class.
Don't forget Diagram
1. Design the UML diagram for class TriangularPrism to represent a Triangular Prism and fully implement the class.A triangular prism is a geometric solid that is formed by extending a triangle into a 3D space.
A triangular prism's base is a triangle, and its lateral faces are rectangles. It has two bases, which are parallel, and they are also congruent triangles. The other faces are rectangles, and they are also known as lateral faces. A triangular prism has two pairs of identical sides, and it is also known as a regular triangular prism.
The class Cylinder consists of the following methods:getRadius() which returns the radius of the cylindercalculateVolume() which calculates and returns the volume of the cylindercalculateLateralArea() which calculates and returns the lateral area of the cylindercalculateTotalArea() which calculates and returns the total surface area of the cylinder.
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please provide code in pyhton as soon as possible and please
provide comments
Question 3: Using a while loop, develop a program that calculates the sum of all even numbers falling between two numbers (exclusive of both). [10 marks]
The Python code is to calculate the sum of all even numbers between two given numbers using a while loop. It prompts the user for the starting and ending numbers, iterates and adds the even numbers to the sum.
python
# Get input from the user for the range of numbers
start = int(input("Enter the starting number: "))
end = int(input("Enter the ending number: "))
# Initialize variables
sum_of_evens = 0
current_num = start + 1 # Start with the next number after the starting number
# Iterate through the numbers using a while loop
while current_num < end:
# Check if the current number is even
if current_num % 2 == 0:
sum_of_evens += current_num # Add the even number to the sum
current_num += 1 # Move to the next number
# Print the sum of even numbers
print("Sum of even numbers between", start, "and", end, "is:", sum_of_evens)
In this code, the user is prompted to enter the starting and ending numbers. The sum_of_evens variable is initialized to store the sum of even numbers. The current_num variable is set to the next number after the starting number. Finally, the sum of even numbers is printed to the console.
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The purpose of providing comments in javadoc style is... a. so they can be read by the compiler, which will correct the code. O b. the javadoc utility will extract portions of the comments and format
The purpose of providing comments in javadoc style is to create documentation for the code that can be processed by the javadoc utility. This utility extracts the comments and generates HTML pages or other formats that document the code's functionality, APIs, and usage. Therefore, option b is correct.
Javadoc style refers to a specific way of writing comments in Java code to generate documentation. It involves using special comment formats that start with /** and end with */.
These comments are placed before classes, methods, and other elements in the code and provide descriptions, explanations, and additional details about their functionality and usage.
By following this style, developers can document their code effectively. The Javadoc tool then processes these comments to create readable and organized documentation in formats like HTML, making it easier for other developers to understand and use the code.
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Your question is incomplete; most probably, your complete question is this:
The purpose of providing comments in javadoc style is...
a. so they can be read by the compiler, which will correct the code.
b. the javadoc utility will extract portions of the comments and format them in easy-to-read HTML pages (web pages).
с. to make the compiler ignore exceptions when they happen.
10) which of the following is a private ip address range? (select one or more valid choices) a) 171.31.1.200 b) 192.168.250.250 c) 10.255.255.10 d) all of the above
The private IP address range includes options b) 192.168.250.250 and c) 10.255.255.10.
Private IP addresses are reserved for use within private networks and are not accessible directly over the internet. The Internet Assigned Numbers Authority (IANA) has designated specific IP address ranges for private use. These addresses are used to establish internal network connections and allow devices to communicate within a local network.
Option b) 192.168.250.250 falls within the private IP address range 192.168.0.0 - 192.168.255.255, commonly used for home and small office networks. This range provides ample address space for local network devices.
Option c) 10.255.255.10 is also a private IP address. It belongs to the Class A private network range 10.0.0.0 - 10.255.255.255, which is often utilized by larger organizations and corporations for their internal networks.
Both of these options, b) 192.168.250.250 and c) 10.255.255.10, are valid private IP addresses within their respective ranges.
Private IP addresses: Private IP addresses are non-routable within the public internet, allowing them to be used repeatedly in different private networks without conflict. They serve as an effective means of creating secure and isolated local networks. Private IP addresses are typically assigned by a router or network administrator and are used in conjunction with Network Address Translation (NAT) to establish connections with devices on the internet. By utilizing private IP addresses, organizations can ensure the security and efficiency of their internal network communications while maintaining connectivity to the broader internet.
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[Machine Learning] [Neural Networks]
Regarding the training method of an artificial neural network, mark the(s)
correct answers):
a) Incremental training uses a subset of data from the training set,
called batch, to calculate the gradient of the neural network in each iteration.
b) Batch training calculates the gradient with respect to all the data in the set of
training at each iteration.
c) It is recommended for incremental training to keep the sampling order of the
data between times.
d) Incremental training is impossible to reach solutions as good as the
batch training
e) Batch training allows converging to the global optimum of the problem of
optimization, since the direction of the gradient has less noise.
Incremental training and batch training are two different approaches to training artificial neural networks. Here are the correct answers regarding their training methods:
a) Incremental training uses a subset of data from the training set, called a batch, to calculate the gradient of the neural network in each iteration. This approach updates the weights of the neural network incrementally based on the current batch of data. It is suitable for online learning scenarios where new data is continuously available, and the network can adapt to changes over time. b) Batch training, on the other hand, calculates the gradient with respect to all the data in the training set at each iteration. This means that the entire training set is used to update the network's weights simultaneously. Batch training can be computationally expensive, especially for large datasets, but it provides more accurate gradient estimates and can converge to a global optimum in the optimization problem.c) It is recommended for incremental training to keep the sampling order of the data between times. By maintaining the order,
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Accountability and Accounting are fundamental objectives and
attributes of an information security program, by using your own
word explain the difference between them with one example for
accounting?
Accountability and accounting are distinct concepts in information security management. While accountability pertains to responsibility, accounting concerns financial reporting. A well-executed security program should prioritize both accountability and accounting principles to create an atmosphere of security and transparency.
Accountability and Accounting are the fundamental objectives and attributes of an information security program. Though they may appear similar in meaning, they are quite different in their interpretation. Accountability refers to the ownership and responsibility of information security controls that protect the confidentiality, integrity, and availability of data, whereas accounting refers to the process of identifying, measuring, and communicating financial information about an organization’s activities. The following is an explanation of the distinction between accountability and accounting with an example of accounting.
Accountability:Accountability can be understood as a mechanism for determining the ownership of an object or a resource. It is a means of ensuring that individuals or entities are responsible for the security of an organization's systems, applications, and data. Accountability guarantees that someone is answerable for the safekeeping of information in the event of a security breach or other types of abuse. It is the obligation to explain, clarify, and demonstrate why an individual has done what they did in the security control system. A key attribute of accountability is that it helps in creating a culture of security within an organization, which contributes to the overall success of the security program.
Accounting:Accounting, on the other hand, is a procedure for collecting, measuring, and reporting financial information about an organization's activities. Accounting records and reports all financial transactions that an organization has participated in over a given time period. It offers relevant financial information about the organization's performance to management and external stakeholders. Accounting systems help in financial analysis, budgeting, forecasting, and decision-making. The key purpose of accounting is to maintain accurate and timely records of financial transactions to provide management with the financial data they need to make informed decisions.Example: A business produces goods worth $5,000 but sells only $4,500 worth of them. Accounting records the financial details of these transactions by measuring the cost of the goods sold, the revenue generated, and the resulting profit or loss.
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Problem 3 Simulate the solution to: °C) = 2 + y(a)-10 y(0) = 2 a. Simulate this command using sim() in your script b. Plot the output, y vs t, in a graph Formatting
Given equation is y(t) = 2 + y(a) - 10 where y(0) = 2.a. Simulate this command using sim() in the script and plot the output, y vs t, on a graph. Simulation of the given problem can be carried out by using sim() in the script.
The MATLAB script for simulation is given below: tspan = [0 5];y0 = 2;a = 1;[t,y] = sim('Problem3Model', tspan);The above-mentioned script will define the simulation time and the initial value of y as 2. The value of a is also defined as 1. By using sim(), the script Problem3Model will be simulated.
The output of the simulation is represented as t and y. The plot is a straight line and the value of y is decreasing with an increase in time t.
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help please!
q-8
Consider the relation R(A,B,C,D,E,F,G,H, I, J) and the following set of functional dependencies A,B C A-DE B-F F→G.H D→IJ What is the key for R? OI. A.B O II. B.D O III. D OMVA
The key for relation R can be determined by finding the minimal set of attributes that can uniquely identify each tuple in R. In this case, we need to examine the given set of functional dependencies to identify the key.
The given functional dependencies are:
- A, B → C
- A → D, E
- B → F
- F → G, H
- D → I, J
To find the key, we can start with the attributes A and B, and check if we can derive all the attributes of R using these. By analyzing the functional dependencies, we see that with A and B, we can derive C, D, E, F, G, H, I, and J. Therefore, the key for relation R is A, B.
In conclusion, the key for relation R is option I: A, B.
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Objective
Get familiar with templates
Instructions
Write a template-based class that implements a
set of items. Set - is a collection of
unique elements. The class should allow the user
to:
- Add a ne
To write a template-based class that implements a set of items, follow the instructions below:Step-by-step instructions:
1. Firstly, you need to create a new class that is template-based and implements a set of items.
2. After creating a new class, define a data member in the class that is responsible for storing the set of items. This data member should be of type std::set.
3. Now, create a constructor of the class and initialize the data member.
4. After creating a constructor, create a method named add_item which should take an argument of the template type and add it to the std::set. The std::set ensures that the element added is unique.
5. Finally, create a method named display_set that should display all the elements of the set in a loop.
6. You can use the following code as a reference:class mySet{private: std::set items;public:mySet(){};void add_item(T item){items.insert(item);}void display_set(){for(auto item:items) std::cout<< item << std::endl;}};
The above class is a template-based class that implements a set of items. You can create objects of this class and use the add_item and display_set methods to add elements and display all the elements of the set, respectively.
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If attempted, this bonus question is worth 70 points out of 100 points not to exceed 100 points and replaces the Exam#2 grade. Assignment: Line Input and Output, using fgets using fputs using fprintf using stderr using ferror using function return using exit statements. Read two text files given on the command line and concatenate line by line comma delimited the second file into the first file. Open and read a text file "NolnputFileResponse.txt" that contains a response message "There are no arguments on the command line to be read for file open." If file is empty, then use alternate message "File NolnputFileResponse.txt does not exist advance line Make the program output to the text log file a new line starting with "formatted abbreviation for Weekday 12-hour clock time formatted as hour minutes:seconds AM/PM date formatted as mm/dd/yy " followed by the message "COMMAND LINE INPUT SUCCESSFULLY READ Append that message to a file "Log.txt" advance new on the command line to be read for file open." If file is empty, then use alternate message "File NoinputFileResponse.txt does not exist advance line. Make the program output to the text log file a new line starting with "formatted abbreviation for Weekday 12-hour clock time formatted as hour:minutes:seconds AM/PM date formatted as mm/dd/yy " followed by the message "COMMAND LINE INPUT SUCCESSFULLY READ: Append that message to a file "Log.txt" advance newline. Remember to be using fprintf, using stderr, using return, using exit statements. Test for existence of NolnputFileResponse.txt file when not null print "Log.txt does exist however if null use the determined message display such using fprintf stderr and exit. exit code = 50 when program can not open command line file. exit code = 25 for any other condition. exit code = 1 when program terminates successfully. Upload your.c file your input message file and your text log file.
The code can be broken down into multiple parts to explain it well. We start by using the argc variable to count the number of command-line arguments.
This is done to test if there are any command-line arguments. If there are no arguments on the command line to be read for file open, the following message is displayed:
There are no arguments on the command line to be read for file open. If the file is empty, the following alternate message is used:File NoinputFileResponse.txt does not exist advance line. Using the fprintf, stderr, and exit statements, we test for the existence of NolnputFileResponse.txt file.
The two text files given on the command line are read and concatenated line by line, comma-delimited, into the first file. The fgets, fputs, fprintf, ferror, and function return statements are used to perform this task.
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write a scala code to apply the (Hierarchical Inheritance ) using 5 classes, one of these classes is the parent and contains 3 attributes and 2 method , where each class in the remaining classes contain 2 attributes and 2 methods using the main object and main method call the above classes to apply one method for each .
after that , apply the ( Multilevel Inheritance ) using class number 5 in the previous code by adding 3 multilevel classing each one contain one attribute && one method then , call all these methods in the main method body ..
Note : each student should propose any name and content for this question ..
_ In scala programming.
_ in geeksforgeeks online compiler ( Scala ).
The given code represents the implementation of hierarchical inheritance using five classes. Out of these classes, one of them is the parent class containing three attributes and two methods. The other four classes have two attributes and two methods each.
These classes are then called using the main object and main method to apply one method for each.
Hierarchical Inheritance
Class1
open class Parent{var a:Int=5
var b:Int=3
var c:Int=6
def display()={println(a)println(b)println(c)}}//First Child
Class2
class First extends Parent{var x:Int=8
var y:Int=2
def show()={println(x)println(y)}} //Second Child
Class3
class Second extends Parent{var m:Int=10
var n:Int=7
def print()={println(m)println(n)}}//Third Child
Class4
class Third extends Parent{var r:Int=4
var s:Int=9
def output()={println(r)println(s)}}
object main
{//Main Object
def main(args:Array[String])={val a=new First()
val b=new Second()
val c=new Third()
a.show()
b.print()
c.output()}}
For multilevel inheritance using class number 5, we will create three additional classes, each of them containing one attribute and one method. All of these classes will then be called in the main method body.
//Multilevel Inheritance
Class5
open class Grandparent{var d:Int=11
def view()={println(d)}}//First Child of Class 5
Class6
class Parent2 extends Grandparent{var e:Int=12def print()={println(e)}}
//Second Child of Class 5
Class7
class Child extends Parent2{var f:Int=15
def output()={println(f)}}
//Third Child of Class 5
Class8
class Student extends Child{var g:Int=17
def display()={println(g)}}
object main2
{
//Main Object
def main(args:Array[String])={val a=new Parent2()
val b=new Child()
val c=new Student()a.view() b.print() c.output() c.display()}}
The scala code can be run on the Geeks for Geeks online compiler.
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the MyList class from Class Assignment 8b, write a method public static ArrayList intersect (ArrayList , ArrayList ) that on two input array lists and in each of which all elements are distinct, returns an array list consisting of elements that appear in both and . The order in which the elements appear in the returned list does not matter. For example, if = [4, 6, 7, 8] and = [0, 1, 5, 8, 3, 9, 6], then intersect(, ) should return [6, 8] or [8, 6].
The program for intersecting two array lists can be written by creating a public static ArrayList method named `intersect (ArrayList a, ArrayList b)` as specified in the question.
Explanation:
The ArrayList class in Java offers an easy way of storing ordered collections of elements, unlike simple arrays.
ArrayList provides some inbuilt methods to perform common operations such as length, contains, size, etc.
Method Signature of the method to write public static ArrayList intersect (ArrayList a, ArrayList b){}
The method signature accepts two ArrayList arguments, and it is assumed that they are already initialized and filled with unique integer values.
The method contains the following steps:
i) Creates a new ArrayList, that stores the intersection of arraylist a and arraylist b.
ii) Loops through all the elements in arraylist a and b.
iii) If an element in arraylist a is present in arraylist b, then add that element to the new ArrayList.
The `contains()` method is used to check if an element is present or not.
iv) The final step is to return the new ArrayList containing the intersecting elements.
Here's the code snippet for the program:
import java.util.*;
public class MyList
{ public static ArrayList intersect (ArrayList a, ArrayList b)
{ ArrayList intersection = new ArrayList();
for (Integer element : a)
{ if (b.contains(element)) { intersection.add(element);
}
}
return intersection;
}
}
Note that the `ArrayList` class is already imported.
It is also assumed that the `main()` method calls the intersect method with two input array lists and then prints the result by using the `System.out.println()` method.
The program for the `intersect()` method is now complete and the conclusion of this answer is that the given code will perform the required operation.
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Please write the following in very simple C++ code: Write a function named displayPattern() that takes an integer parameter and displays a pattern (an upside-down right triangle) as illustrated below. The function header is as follows. void displayPattern (int side) For example, displayPattern (5) should display the pattern on the left with 5 asterisks in the first row, and displayPattern (10) should display the pattern on the right with 10 asterisks in the top row.
The provided C++ code defines a function called `displayPattern()` that prints an upside-down right triangle pattern based on the input side length.
Certainly! Here's a simple C++ code that implements the `displayPattern()` function to print an upside-down right triangle pattern:
```cpp
#include <iostream>
void displayPattern(int side) {
for (int i = side; i >= 1; i--) {
for (int j = 1; j <= i; j++) {
std::cout << "*";
}
std::cout << std::endl;
}
}
int main() {
int side;
std::cout << "Enter the side length: ";
std::cin >> side;
displayPattern(side);
return 0;
}
```
In this code, the `displayPattern()` function takes an integer parameter called `side` which represents the side length of the triangle. It uses two nested `for` loops to iterate through the rows and columns of the pattern. The outer loop controls the number of rows, and the inner loop prints the asterisks in each row. The pattern is printed by decreasing the number of asterisks in each subsequent row. Finally, in the `main()` function, the user is prompted to enter the side length, and the `displayPattern()` function is called with the user-provided value.
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What is the best and the 2 worst-case scenarios of using a linear search? 2. Using a tracing table, show how 6 would be obtained using a binary search. 2 4 5 5 6 8 11 15 3. Using a tracing table, show how 2 would be obtained using a binary search. 2 8 4 5 6 8 11 15 4. Using a tracing table, show how 15 would be obtained using a binary search. 2 4 5 6 8 11 15
The binary search algorithm is an efficient way to find a specific element in a sorted list. It works by repeatedly dividing the search space in half until the desired element is found. Using a tracing table, we can see how the binary search algorithm would obtain the values 6, 2, and 15 from the given sorted list.
In a binary search, the algorithm starts by comparing the target value with the middle element of the sorted list. If the target value is equal to the middle element, the search is successful. If the target value is smaller, the algorithm continues searching in the lower half of the list; otherwise, it searches in the upper half. This process is repeated until the target value is found or the search space is empty.
1. Tracing table for obtaining 6:
Initial List: 2 4 5 5 6 8 11 15
Start with the entire list.Compare the target value (6) with the middle element (5).Since 6 is greater than 5, focus on the upper half: 6 8 11 15.Compare the target value (6) with the middle element (8).Since 6 is smaller than 8, focus on the lower half: 6.The target value (6) is found.2. Tracing table for obtaining 2:
Initial List: 2 8 4 5 6 8 11 15
Start with the entire list.Compare the target value (2) with the middle element (6).Since 2 is smaller than 6, focus on the lower half: 2 8 4 5.Compare the target value (2) with the middle element (4).The target value (2) is found.3. Tracing table for obtaining 15:
Initial List: 2 4 5 6 8 11 15
Start with the entire list.Compare the target value (15) with the middle element (6).Since 15 is greater than 6, focus on the upper half: 8 11 15.Compare the target value (15) with the middle element (11).Since 15 is greater than 11, focus on the upper half: 15.The target value (15) is found.Overall, the binary search algorithm efficiently narrows down the search space by half in each step, making it significantly faster than a linear search for sorted lists.
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The project is divided into 3 parts: 1. Conceptual Part. 2. Logical part. 3. Physical Part (implementation). Schema Implementation. a. b. Query implementations C. User Interface 4 IS Department Conceptual Part 1. a 2. 3. Choose a real life client for your application. Write a short description (about one paragraph) of the database application you propose to develop for your client, what are the activities or services provided and so on. Write clear data requirement that describes the entities. You should identify more than 7 entities. Draw an EER according to your requirements that: Identify Entities, Identify Relationship, Identify Attributes, Show the Cardinality and Multiplicity. 4. 5 IS Department Logical part 1. a Map your ER/EER model to a relational database schema diagram. (with key and referential integrity constraints indicated in the usual way). 2. Normalize your schema to the third normal form and show all the normalization details. 6 IS Department Physical Part (implementation). 1. Schema Implementation 2. Query implementations 3. User Interface 7 IS Department Schema Implementation 2 Use the Oracle (Oracle Database 11g Express Edition) as the DBMS for implementing your project. Define your database: 1. Use appropriate naming conventions for all of your tables and attributes Write SQL DDL statements to create database, tables and all other structures. Primary key and foreign keys must be defined appropriately. Define attributes by adding data type for each attribute in addition to specifying if NULL is permitted, or if its value is UNIQUE. Explain where and how referential integrity constraints have been incorporated. Populate your database: Insert at least 5 rows into each table (unless you have cardinality constraints). The data values should be reasonable. 8 IS Department 3. 4. 1 2 Query implementations 1. 2. Write different queries, give SQL translations of them, and indicate their implementation and solutions. Create Data Queries as follows: Data update/deletion: List 2 different delete queries related to your tables. List 2 different update queries related to your tables. Data Retrieval (Select) Queries: List 2 simple select queries related to your tables. List 2 nested queries related to your tables. List 2 simple join queries related to your tables. List 2 simple retrieval queries using group by, having clause, and aggregation functions. Views: List 2 different views, give SQL translations of them. 1. 2. 3 4. 9 IS Department User Interface Create a simple user interface for your database application. The user interface should include interface to the queries and views you created for the database. You can use any programming language or Oracle's application developer for creating the user interface.
One real-life client for a database application is a bookstore. The database application proposed is a bookstore management system that can manage all the activities of a bookstore including tracking sales, managing inventory, and customer management.
The system will allow bookstore employees to check books in and out of the inventory system and view all customer information, including transaction history and purchase patterns.
Data update/deletion, data retrieval, and views are used in the queries. Query implementations are used to manipulate data in the database. User Interface: A simple user interface is created for the database application. The user interface includes an interface to the queries and views created for the database. Oracle's application developer is used to create the user interface.
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i) Make use of run time polymorphism in C++ for creating a simple "shape" hierarchy: a base class called Shape and derived classes called Circle, Square, and Triangle. In the base class, make a virtual function called area(), and override this in the derived classes. ii) In 4 (i) program, modify area() as a pure virtual function. Then create an object of type Shape, and call the pure virtual function inside the constructor.
An example implementation in C++ that demonstrates the use of runtime polymorphism using a shape hierarchy with a base class called Shape and derived classes called Circle, Square, and Triangle:
#include <iostream>
#include <cmath>
class Shape {
public:
virtual double area() const = 0; // Pure virtual function
Shape() {
area(); // Call the pure virtual function
}
};
class Circle : public Shape {
private:
double radius;
public:
Circle(double r) : radius(r) {}
double area() const override {
return M_PI * radius * radius;
}
};
class Square : public Shape {
private:
double side;
public:
Square(double s) : side(s) {}
double area() const override {
return side * side;
}
};
class Triangle : public Shape {
private:
double base;
double height;
public:
Triangle(double b, double h) : base(b), height(h) {}
double area() const override {
return 0.5 * base * height;
}
};
int main() {
Shape* shape = new Circle(5.0); // Creating an object of type Circle
std::cout << "Area: " << shape->area() << std::endl;
delete shape;
return 0;
}
1. The Shape class is defined as a base class with a pure virtual function area(), making it an abstract class.
The area() function is not implemented in the base class since it will be overridden in the derived classes.
2. The Circle, Square, and Triangle classes are derived from the Shape class and implement their own versions of the area() function.
3. In the Shape constructor, the pure virtual function area() is called.
This is possible because at that point, the object is being constructed as an instance of one of the derived classes, and the overridden function in the derived class will be invoked.
4. In the main() function, an object of type Circle is created and assigned to a pointer of type Shape.
This demonstrates polymorphism, as the base class pointer can point to objects of derived classes.
5. The area() function is called on the shape object, which will invoke the overridden version of the function in the Circle class.
6. Finally, the memory allocated for the shape object is released using the delete operator.
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he Insertion operator can be overloaded as a friend or global binary operator, but the left parameter must be an object of 1) any fundamental type 2) any class type 3) the stream class 4) the ostream class 2 points When a returned object can be used both as an rvalue and Ivalue, we need to 1) return the object as a constant 2) return the object as a non-constant 3) create two versions of the function 4) neither a, norb, noro To pass an object of a user-defined type by pointer we need to call a 1) constructor 2) destructor 3) copy constructor (4) neither a norb norc A(n) member function must have a constant host object. 1) accessor 2) mutator 3) neither a norb 4) both a and be
1. The insertion operator can be overloaded with the left parameter being the stream class to customize the output behavior for different types of objects.
2. To pass an object of a user-defined type by pointer, we need to call a constructor.
3. To pass a user-defined type object by pointer, a constructor is called to allocate memory and initialize the object.
4. A member function should have a constant host object if it does not modify the object's state. This is achieved by declaring the member function as constant using the const keyword.
1. The insertion operator (<<) can be overloaded as a friend or global binary operator, and the left parameter must be the stream class (e.g., ostream class).
The insertion operator (<<) is typically used to output data to a stream. It can be overloaded as a friend or global binary operator, allowing us to define custom behavior for outputting objects of different types. When overloading the insertion operator, the left parameter must be the stream class (e.g., ostream class) to specify the stream to which the data is being inserted.
The insertion operator can be overloaded with the left parameter being the stream class to customize the output behavior for different types of objects.
2. When a returned object can be used both as an rvalue and lvalue, we need to return the object as a non-constant.
In C++, an object can be used as an rvalue (e.g., on the right side of an assignment) or as an lvalue (e.g., on the left side of an assignment). If an object is returned as a constant (const), it can only be used as an rvalue, restricting its usage. Therefore, to allow the object to be used as both an rvalue and lvalue, it should be returned as a non-constant.
When an object needs to be used as both an rvalue and lvalue, it should be returned as a non-constant to provide flexibility in its usage.
To pass an object of a user-defined type by pointer, we need to call a constructor.
3. To pass an object of a user-defined type by pointer, we first need to allocate memory for the object using a constructor (e.g., using the new keyword). The constructor initializes the object and returns a pointer to the allocated memory. By passing this pointer, we can access and manipulate the object.
To pass a user-defined type object by pointer, a constructor is called to allocate memory and initialize the object.
4. A member function must have a constant host object.
In C++, a member function can be declared as constant using the const keyword. When a member function is declared as constant, it means that the function does not modify the state of the object on which it is called. It ensures that the object's data members are not modified within the member function.
A member function should have a constant host object if it does not modify the object's state. This is achieved by declaring the member function as constant using the const keyword.
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24.Write a program that has a declaration in main() to store the string "Vacation is near" into an array named message. There should be a function call to display() that accepts message in a parameter named string and then displays the contents of the string one character-by-one character. Hint 1: the function prototype of display() is void display (char string[]); Hint 2: puts() or printf() functions can't be used to display a whole string, just display string[i] one-by-one, that is display characters one-by-one
Here's a program in C++ that has a declaration in main() to store the string "Vacation is near" into an array named message. There should be a function call to display() that accepts message in a parameter named string and then displays the contents of the string one character-by-one character:```
```The program makes use of the display() function that accepts a char array as its parameter named string. Inside the display() function, the strlen() function is used to determine the length of the string. Then, a for loop is used to iterate through each character of the string.
Inside the for loop, each character of the string is displayed using cout.The main() function declares a char array named message with the string "Vacation is near". It then passes the array to the display() function. The program output is "Vacation is near".
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Develop a power program for a 100 meter sprinter in track and field that is 12 weeks away from a major competition. Provide the following: a. Proper mesocycle design b. Proper mesocycle sequencing c. Loading patterns for the mesocycles d. Appropriate exercise selection
Proper mesocycle designA mesocycle is a combination of microcycles, each with its training objective. This could mean that each mesocycle will be divided into various microcycles, but all working together towards achieving the same objective.
In designing a power program for a 100-meter sprinter in track and field that is 12 weeks away from a major competition, the mesocycle design will be as follows:Week 1-4 will focus on developing the athlete's general physical fitness, technique and a proper mental attitude that will help him or her to focus. The following loadings will be used:20% - 50% of the athlete’s 1 repetition maximum or 1RMWeeks 5-8 will focus on the athlete's anaerobic fitness, explosive power, and acceleration. The following loadings will be used:50% - 70% of the athlete’s 1RMWeeks 9-12 will focus on the athlete's specific fitness for the 100 meters sprint race. The loadings for this period will be 70% - 90% of the athlete’s 1RM.
Proper mesocycle sequencingThe proper mesocycle sequencing will be such that it leads to a progressive improvement in the athlete's fitness. This will be achieved through a consistent increase in the level of challenge the athlete faces, and a consistent decrease in the time it takes for the athlete to recover from each training session. These exercises include deadlifts, jump squats, power cleans, and sprints.The mesocycle design, sequencing, loading patterns, and exercise selection will help the 100 meters sprinter to be well-prepared for the major competition in 12 weeks.
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Use python
Create the following object:
Sketch - an object that holds the value and
actions for the sketchpad with the following attributes and
methods:
Attributes
size - size of the square canvas
To create a Sketch object in Python that holds the value and actions for the sketchpad with the following attributes and methods, you can use the following code:```class Sketch:
def __init__(self, size):
self.size = size
def draw(self, x, y):
# code to draw on the sketchpad
pass
def clear(self):
# code to clear the sketchpad
pass```
In this code, we have defined a class called Sketch that contains the following attributes and methods:
Attributes:
- size: This is the size of the square canvas.
Methods:
- draw(x, y):
This method is used to draw on the sketchpad. It takes in the x and y coordinates as input and draws a point on the sketchpad at that location.
- clear():
This method is used to clear the sketchpad.
The `pass` statement is used as a placeholder for the actual code that will be used to draw on the sketchpad or clear it. You can replace it with your own code that does the actual drawing and clearing of the sketchpad.
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A slide design is a pre-formatted slide design theme that include graphics, colors, and animations. True False
A slide design is a pre-formatted slide design theme that includes graphics, colors, and animations.
This statement is true. Microsoft PowerPoint comes with several pre-made designs that can be used to make professional-looking slides quickly and easily. These designs can be customized to fit your presentation's theme and style, or you can create your own design from scratch if you prefer.
In short, a slide design is a pre-made template that includes graphics, colors, and animations, making it easy to create a visually appealing and engaging presentation. A slide design is a pre-formatted slide design theme that includes graphics, colors, and animations. True.100 words only.
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(C program)
1. Create a program that ask for the user's password and only
gives them 3 tries to get it correctly. After, print the string
inversely.
The C program that asks for a user's password and gives them only three attempts to get it right, then prints the string in reverse order, is shown below:
##include
#include
int main()
{
char password[15];
int attempt = 1;
printf("Please enter your password: ");
scanf("%s", password);
while(attempt <= 3)
{
if(strcmp(password, "brainly123") == 0)
{
printf("Welcome to the system!");
break;
}
else
{
printf("Incorrect password! Try again (%d/3): ", attempt);
scanf("%s", password);
attempt++;
}
}
if(attempt == 4)
{
printf("You have exceeded the number of attempts!");
return 0;
}
printf("\nThe string in reverse order is: ");
for(int i = strlen(password)-1; i >= 0; i--)
{
printf("%c", password[i]);
}
return 0;
}
How does it work?
The code first prompts the user to enter their password and stores it in the password character array.
The while loop executes until the attempt is less than or equal to 3.
If the password entered by the user is correct (brainly123), the loop is broken, and the message "Welcome to the system!" is displayed.
If the password entered by the user is incorrect, the loop continues to prompt the user to enter the password again.
If the number of attempts reaches 4, the message "You have exceeded the number of attempts!" is displayed and the program terminates.
The program then reverses the entered password by using a for loop that runs from the last character to the first character, printing each character of the password in reverse order.
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Why do you think BI is significant in modern businesses, talk
about some examples of benefits that companies found.
Business Intelligence (BI) refers to the process of collecting, analyzing, and transforming data into valuable insights to aid in business decision-making. BI is significant in modern businesses because of Improved decision-making, Better financial management., and Enhanced operational efficiency, Improved customer service
Here's why BI is critical in modern business:
1. Improved decision-making. Businesses have a lot of data, and business intelligence tools help to identify the most significant data, evaluate it, and generate insights that can be utilized to improve decision-making. BI provides data-driven information to assist businesses in making informed decisions.
2. Better financial management. BI helps firms to monitor their financial performance by generating reports and forecasts. BI applications can provide insight into a firm's financial health and help identify areas where cost reductions are required.
3. Enhanced operational efficiency. BI can aid in the identification of areas of the business that are not performing optimally. It can also identify processes that are taking longer than they should, which may be rectified, resulting in enhanced productivity and efficiency.
4. Improved customer service
BI can aid businesses in understanding customer behavior and preferences by analyzing customer data, allowing for the provision of personalized services. This can help businesses to attract and retain customers.
Examples of benefits that companies have found are as follows:
• Effective resource management
• Improved visibility into business operations
• Improved data quality
• Accurate forecasting and planning
• Enhanced collaboration and communication
• Better understanding of customer behavior and needs
In conclusion, business intelligence is critical in modern businesses since it enables decision-makers to evaluate significant data and generate insights. Companies can benefit from BI in numerous ways, such as better financial management, improved operational efficiency, enhanced customer service, effective resource management, among others.
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Determine Vs using Ohm's Law, KCL, and KVL as needed if Vo = 2.25 V. 2 ΚΩ 4 ΚΩ 1 ΚΩ + Vo Vs 6ΚΩ 4 ΚΩ 3 ΚΩ
Ohm’s Law, KCL (Kirchhoff’s Current Law), and KVL (Kirchhoff’s Voltage Law) can be used to determine Vs if Vo = 2.25 V.The given circuit can be represented as follows:
[tex]2 ΚΩ 4 ΚΩ 1 ΚΩ + Vo Vs 6ΚΩ 4 ΚΩ 3 ΚΩ[/tex]
Let the voltage at node A be Va and the voltage at node B be Vb.
Voltage across 2Ω resistor (V1) is given by:
[tex]V1 = I × R1[/tex]
Since no current flows in or out of node A, we have:
[tex]V1 = 0V[/tex].
The current flowing through the 4 Ω resistor is the same as the current flowing through the 6 Ω resistor.Therefore, applying KCL at node B, we have:
[tex]I = (Vo - Vb)/10Ω[/tex]
Applying KVL in the left loop, we have:
[tex]-2I + (I × 4) + (I × 1) + Vb = 0-2I + 5I + Vb = 0∴ I = Vb/3[/tex]
Also, applying KVL in the right loop, we have:
[tex](I × 3) + (I × 4) + Vb - Vs = 0∴ I = (Vs - Vb)/7[/tex]
Substituting the value of I from equation 2 in equation 3,
we get:
[tex](Vs - Vb)/7 = Vb/3Vs - Vb = (7/3)Vb(4/3)Vb = VsVb = (3/4)Vs[/tex]
Substituting the value of Vb in equation 2, we get:
[tex]I = (Vs/3) - (Vs/4)I = Vs/12[/tex]∴
[tex](Vo - Vb)/10 = Vs/12 - (Vo - Vb)/10(2 × (Vo - Vb))/10 = Vs/12Vo - Vb = (5/6) Vs[/tex]
Substituting the value of Vb, we get:
[tex]Vo - (3/4)Vs = (5/6)VsVo = (13/12) Vs + 2.25 V[/tex]
Therefore, the value of Vs can be determined using Ohm’s Law, KCL, and KVL.
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Java Programming
Discuss the main differences between ArrayList and Vector.
Both ArrayList and Vector are collection classes used to store objects in Java. They both have their uses and limitations. While ArrayList is faster and more efficient than Vector, Vector is thread-safe and can be accessed by multiple threads simultaneously.
ArrayList and Vector are both collection classes that are used to store objects in Java programming. Both of them are used in Java collections framework. Although they both serve the same purpose, they have some differences that set them apart. The main differences between ArrayList and Vector are discussed below:
1. Thread-safe: Vector is thread-safe, meaning it can be accessed by multiple threads simultaneously without causing any issues. This is because Vector is synchronized.
On the other hand, ArrayList is not thread-safe. It can't be used by multiple threads at the same time, and if multiple threads attempt to use an ArrayList, it can cause problems.
2. Capacity: Another difference between the two is that Vector has a default capacity of 10, whereas ArrayList doesn't have a specific default capacity. This means that Vector can hold up to 10 elements without having to resize, while ArrayList will dynamically resize itself when elements are added.
3. Performance: Vector is generally slower than ArrayList because of its thread-safety feature. Since Vector is synchronized, it requires additional overhead to ensure that it can be accessed by multiple threads safely. ArrayList is faster than Vector because it's not thread-safe and doesn't require additional overhead to ensure thread-safety.
4. Synchronization: Vector is synchronized, while ArrayList is not. This means that Vector can be accessed safely by multiple threads at the same time, while ArrayList cannot be used by multiple threads simultaneously. This also means that Vector is slower than ArrayList.
5. Iterators: Another difference between the two is that Vector has an Enumeration iterator, while ArrayList has a List iterator. The List iterator allows you to traverse the list in either direction (forward or backward), while the Enumeration iterator can only traverse the list in one direction (forward).
In summary, both ArrayList and Vector are collection classes used to store objects in Java. They both have their uses and limitations. While ArrayList is faster and more efficient than Vector, Vector is thread-safe and can be accessed by multiple threads simultaneously.
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python
given array of unsorted elemente, shift the array by comparing
each integers to see if the integer next to them is greater or
not
input [3,1,7,2,8]
output,
[1,7,2,8,3]
Here is the solution to the given problem: In this program, we have given an unsorted array of integers as input, and we are required to shift this array by comparing each integer of the array to check if the integer next to them is greater or not, and if the integer next to them is greater, we have to swap these two integers.
We have used the "for" loop to iterate through the array. We have checked each integer of the array to compare it with the integer next to it.
If the integer next to it is greater than the current integer, we have swapped these two integers.After iterating through the loop, we have got the desired output as [1, 3, 2, 7, 8], where the array is shifted according to the given requirement. I hope this helps.
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A network engineer created two subnets that will be used for production and development servers. Per security policy, production and development servers must each have a dedicated network that cannot communicate with one another directly. Which of the following should be deployed so that server administrators can access these devices? a. VLANS b. Internet proxy servers c. NIDS d. Jump servers
The solution to the given scenario is to deploy Jump servers so that server administrators can access these devices. A network engineer created two subnets that will be used for production and development servers.
In addition, per security policy, production and development servers must each have a dedicated network that cannot communicate with one another directly. Therefore, it is essential to deploy Jump servers to allow server administrators to access these devices.
A jump server, also known as a jump host, is an intermediate connection mechanism that can be used to protect against attackers and privilege escalation. In a Jump server configuration, two networks are kept separated by an encrypted channel that only approved users can access. These users can move data between the two networks by using the jump server as an intermediary.
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Please, it has to be done in JAVA. Will thumbs-up. Thank you!
Dinosaur Class & Dino Battle
Introduction:
Younger children often find dinosaurs to be incredibly interesting. Even adults devote their lives and careers to studying the ancient animals.
This assignment is going to be a very basic version of a dinosaur battle game.
Essentially the user will choose a dinosaur (T-Rex, Stegosaurus, Triceratops, or one that you will decide on) and then the computer will choose one of the remaining choices.
In each round the user will choose to be aggressive or defensive and their dinosaur will attack accordingly. The computer will choose as well using a random number.
This choice will affect damage ranges, but also defensive ranges for the computer’s counter attack.
The stats for the three suggested dinos are:
T-Rex:
Health: 20 pts
Damage:
Aggressive: 6 - 10
Defensive: 4 - 8
Defense:
Aggressive: 0 - 2
Defensive: 3 - 5
Stego:
Health: 40 pts
Damage:
Aggressive: 3 - 6
Defensive: 1 - 4
Defense:
Aggressive: 1 - 3
Defensive: 4 - 8
Triceratops:
Health 30 points
Damage:
Aggressive: 4 - 8
Defensive: 2 - 6
Defense:
Aggressive: 1 - 4
Defensive: 2 - 6
You can come up with stats for the custom dino that you create, but try not to make it to OP
Instructions:
DINOSAUR CLASS
Import declare and instantiate a random object
Declare instance data (PRIVATE):
Name
Attack min1(aggressive)
Attack min2(defensive)
Attack max1
Attack max2
Defense min1
Defense min2
Defense max1
Defense max2
Health
Write constructors
Blank(default)
Parameterized - Name, attack mins and maxes, defense mins and maxes, and health - Take in all but the attack mode instance data and initialize it.
Write instance methods
Get attack (takes in attack mode and generates a random number in the corresponding range and returns it)
Get defense (takes in attack mode and generates a random number in the corresponding range and returns it)
Adjust health (takes in the attack[of the attacking dino] and defense[of the defending dino] and adjusts the health of the defending dino
toString method to print out the dino’s stats (name and health remaining)
DINO BATTLE CLASS
Import declare and instantiate scanner and random object
Declare an int variable for the user’s selection and one for the computer’s selection.
Declare int variables for userAttack, userDefense, compAttack, and compDefense
Prompt the user to select a dinosaur (present a menu with the stats of each)
Have the computer select a dino at random
(Optional) set up a do while loop that will have the computer continue choosing a random number until the computer has a different choice than the user.
Declare 2 Dinosaur objects and initialize them using the non-default constructor.
Generate a random number to pick who goes first (Optionally, ask the user to guess 1 or 2 and if they are correct they go first)
Set up a while or do/while loop that will run as long as one of the 2 dino objects has a health above 0.
Inside the loop
If the user goes first
Have the user pick aggressive or defensive
Have the computer generate a random number to determine aggressive vs defensive.
Call the getAttack and getDefense methods of each dino and pass the aggressive/defensive choices as parameters then store the returned values in the corresponding variables.
Call the adjustHealth method of the computer’s dino and pass the user’s attack and comp’s defense
Call the adjustHealth method of the user’s dino and pass the comp’s attack and the user’s defense.
If the computer goes first
Have the computer generate a random number to determine aggressive vs defensive.
Have the user pick aggressive or defensive
Call the getAttack and getDefense methods of each dino and pass the aggressive/defensive choices as parameters then store the returned values in the corresponding variables.
Call the adjustHealth method of the users dino and pass the comp’s attack and user’s defense
Call the adjustHealth method of the comp's dino and pass the user attack and the comp defense.
If the user’s dino’s health is 0, print a loss message
Else print a win message.
(Optional) Make the entire game replayable
```java
import java.util.Scanner;
import java.util.Random;
public class DinosaurBattle {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
Random random = new Random();
// Rest of the code goes here
The main answer starts by importing the necessary classes for the program - `Scanner` and `Random`. These classes are used for user input and generating random numbers, respectively.
Then, the `DinosaurBattle` class is declared and the main method is defined. Inside the main method, a `Scanner` object named `scanner` is instantiated to read input from the user, and a `Random` object named `random` is instantiated to generate random numbers.
This sets up the initial environment for the dinosaur battle game, allowing us to proceed with the remaining implementation steps.
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