6. Create a Java application to implement a dictionary.
Select five words and their definitions on a topic of your
choice. A user should be able to enter a word in a text
field, and the application should provide the definition in
a text area. If the word entered by the user is not in the
dictionary, a message should be displayed in the text
area to that effect. (Use a switch statement)

The Java application to implement a dictionary is in the explanation part.

The process of carrying out a specific computation through the design and construction of an executable computer program is known as computer programming.

Here is an example implementation of a dictionary application in Java that uses a switch statement:

import java.util.HashMap;

import javax.swing.*;

public class DictionaryApp extends JFrame {

   private static final long serialVersionUID = 1L;

   private HashMap<String, String> dictionary;

   public DictionaryApp() {

       dictionary = new HashMap<String, String>();

       dictionary.put("algorithm", "a set of rules to be followed in calculations or other problem-solving operations");

       dictionary.put("data structure", "a particular way of organizing and storing data in a computer");

       dictionary.put("iteration", "the repetition of a process or set of instructions");

       dictionary.put("variable", "a value that can change or be assigned a new value");

       dictionary.put("function", "a self-contained block of code that performs a specific task");

       // Create GUI components

       JLabel wordLabel = new JLabel("Enter a word:");

       JTextField wordField = new JTextField(20);

       JTextArea definitionArea = new JTextArea(10, 20);

       JButton searchButton = new JButton("Search");

       // Create panel and add components

       JPanel panel = new JPanel();

       panel.add(wordLabel);

       panel.add(wordField);

       panel.add(searchButton);

       panel.add(new JScrollPane(definitionArea));

       // Add panel to frame

       this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

       this.add(panel);

       this.pack();

       this.setVisible(true);

       // Add event listener to search button

       searchButton.addActionListener((e) -> {

           String word = wordField.getText().toLowerCase();

           String definition = dictionary.get(word);

           switch (word) {

               case "":

                   definitionArea.setText("Please enter a word.");

                   break;

               case "exit":

                   System.exit(0);

                   break;

               default:

                   if (definition == null) {

                       definitionArea.setText("Word not found.");

                   } else {

                       definitionArea.setText(definition);

                   }

           }

       });

   }

   public static void main(String[] args) {

       new DictionaryApp();

   }

}

Thus, this implementation creates a GUI with a text field for entering a word, a search button, and a text area for displaying the definition.

For more details regarding programming, visit:

https://brainly.com/question/11023419

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