Done

part-1/1/src/main/java/org/example/ClickCounterApp.java

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+package org.example;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+public class ClickCounterApp extends JFrame implements ActionListener {
+
+    private JButton clickButton;
+    private JLabel counterLabel;
+    private int counter = 0;
+
+    public ClickCounterApp() {
+
+        setTitle("Click Counter ๏̯̃๏  ");
+        counterLabel = new JLabel("Clicks : 0" , SwingConstants.CENTER);
+        clickButton = new JButton("Click Me");
+        clickButton.addActionListener(this);
+
+        setSize(200, 200);
+        setLocationRelativeTo(null);
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+        setLayout(new BorderLayout());
+        add(counterLabel , BorderLayout.CENTER);
+        add(clickButton , BorderLayout.SOUTH);
+
+        getContentPane().setBackground(Color.decode("#d3b1ed"));
+
+
+
+    }
+
+
+    @Override
+    public void actionPerformed(ActionEvent e){
+        counter++;
+        counterLabel.setText("Clicks : " + counter);
+    }
+
+}

part-1/1/src/main/java/org/example/Main.java

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+package org.example;
+import javax.swing.*;
+
+
+public class Main {
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(() ->new ClickCounterApp().setVisible(true));
+    }
+}

part-2/GreetingFormApp.java

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+
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+public class GreetingFormApp extends JFrame implements ActionListener {
+    private JTextField nameField;
+    private JButton greetButton;
+    private JLabel messageLabel;
+
+    public GreetingFormApp() {
+        setTitle("Greeting Form");
+        setSize(400, 300);
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        setLocationRelativeTo(null);
+        getContentPane().setBackground(Color.decode("#FFD1DC"));
+
+
+
+        nameField = new JTextField(15);
+        greetButton = new JButton("Greet");
+        messageLabel = new JLabel("Enter your name and press Greet.", SwingConstants.CENTER);
+
+        greetButton.addActionListener(this);
+
+        JPanel inputPanel = new JPanel();
+        inputPanel.add(new JLabel("Name:"));
+        inputPanel.add(nameField);
+        inputPanel.add(greetButton);
+
+        messageLabel.setFont(new Font("Comic Sans MS", Font.BOLD, 16));
+        nameField.setFont(new Font("Comic Sans MS", Font.PLAIN, 14));
+        setLayout(new BorderLayout());
+        add(inputPanel, BorderLayout.NORTH);
+        add(messageLabel, BorderLayout.CENTER);
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+        String name = nameField.getText().trim();
+        if (name.isEmpty()) {
+            messageLabel.setText("Please enter a name.");
+        } else {
+            messageLabel.setText("Hello, " + name + "!");
+        }
+    }
+
+
+}

part-2/Main.java

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+import javax.swing.*;
+public class Main{
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(() -> new GreetingFormApp().setVisible(true));
+    }
+
+}

part-3/Main.java

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+import javax.swing.*;
+
+public class Main {
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(() -> new ThemeColorSelectorApp().setVisible(true));
+    }
+}

part-3/ThemeColorSelectorApp.java

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+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+public class ThemeColorSelectorApp extends JFrame implements ActionListener {
+    private JPanel mainPanel;
+    private JButton redButton;
+    private JButton greenButton;
+    private JButton blueButton;
+
+    public ThemeColorSelectorApp() {
+        setTitle("Theme Color Selector");
+        setSize(400, 300);
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        setLocationRelativeTo(null);
+
+        mainPanel = new JPanel();
+
+        redButton = new JButton("Red");
+        greenButton = new JButton("Green");
+        blueButton = new JButton("Blue");
+
+        redButton.setActionCommand("RED");
+        greenButton.setActionCommand("GREEN");
+        blueButton.setActionCommand("BLUE");
+
+        redButton.addActionListener(this);
+        greenButton.addActionListener(this);
+        blueButton.addActionListener(this);
+
+        JPanel buttonPanel = new JPanel();
+        buttonPanel.add(redButton);
+        buttonPanel.add(greenButton);
+        buttonPanel.add(blueButton);
+
+        setLayout(new BorderLayout());
+        add(buttonPanel, BorderLayout.NORTH);
+        add(mainPanel, BorderLayout.CENTER);
+    }
+    @Override
+    public void actionPerformed(ActionEvent e) {
+        switch (e.getActionCommand()) {
+            case "RED":   mainPanel.setBackground(Color.decode("#ff3232"));   break;
+            case "GREEN": mainPanel.setBackground(Color.decode("#c5f7a5")); break;
+            case "BLUE":  mainPanel.setBackground(Color.decode("#cce9ff"));  break;
+        }
+    }
+}

part-4/Main.java

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+import javax.swing.*;
+
+public class Main {
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(() -> new RegistrationFormApp().setVisible(true));
+    }
+}

part-4/RegistrationFormApp.java

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+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+public class RegistrationFormApp extends JFrame implements ActionListener {
+    private JTextField txtName;
+    private JTextField txtEmail;
+    private JPasswordField txtPassword;
+    private JRadioButton rbMale, rbFemale;
+    private JCheckBox cbJava, cbPython, cbCpp;
+    private JButton btnSubmit;
+    private GridBagConstraints gbc;
+
+    public RegistrationFormApp() {
+        setTitle("User Registration");
+        setSize(500, 350);
+        setDefaultCloseOperation(EXIT_ON_CLOSE);
+        setLocationRelativeTo(null);
+
+        JPanel panel = new JPanel(new GridBagLayout());
+        gbc = new GridBagConstraints();
+        gbc.insets = new Insets(5, 5, 5, 5);
+        gbc.fill = GridBagConstraints.HORIZONTAL;
+
+
+        gbc.gridx = 0; gbc.gridy = 0;
+        panel.add(new JLabel("Name:"), gbc);
+        gbc.gridx = 1;
+        txtName = new JTextField(20);
+        panel.add(txtName, gbc);
+
+
+        gbc.gridx = 0; gbc.gridy = 1;
+        panel.add(new JLabel("Email:"), gbc);
+        gbc.gridx = 1;
+        txtEmail = new JTextField(20);
+        panel.add(txtEmail, gbc);
+
+
+        gbc.gridx = 0; gbc.gridy = 2;
+        panel.add(new JLabel("Password:"), gbc);
+        gbc.gridx = 1;
+        txtPassword = new JPasswordField(20);
+        panel.add(txtPassword, gbc);
+
+
+        gbc.gridx = 0; gbc.gridy = 3;
+        panel.add(new JLabel("Gender:"), gbc);
+        gbc.gridx = 1;
+        rbMale = new JRadioButton("Male"); rbFemale = new JRadioButton("Female");
+        ButtonGroup bg = new ButtonGroup(); bg.add(rbMale); bg.add(rbFemale);
+        JPanel genderPanel = new JPanel(); genderPanel.add(rbMale); genderPanel.add(rbFemale);
+        panel.add(genderPanel, gbc);
+
+
+        gbc.gridx = 0; gbc.gridy = 4;
+        panel.add(new JLabel("Interests:"), gbc);
+        gbc.gridx = 1;
+        cbJava = new JCheckBox("Java"); cbPython = new JCheckBox("Python"); cbCpp = new JCheckBox("C++");
+        JPanel interestPanel = new JPanel();
+        interestPanel.add(cbJava); interestPanel.add(cbPython); interestPanel.add(cbCpp);
+        panel.add(interestPanel, gbc);
+
+
+        gbc.gridx = 1; gbc.gridy = 5;
+        gbc.anchor = GridBagConstraints.CENTER;
+        btnSubmit = new JButton("Submit");
+        btnSubmit.addActionListener(this);
+        panel.add(btnSubmit, gbc);
+
+        add(panel);
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+        String name = txtName.getText();
+        String email = txtEmail.getText();
+        String gender = rbMale.isSelected() ? "Male" : rbFemale.isSelected() ? "Female" : "Unspecified";
+        String interests = "";
+        if (cbJava.isSelected()) interests += "Java ";
+        if (cbPython.isSelected()) interests += "Python ";
+        if (cbCpp.isSelected()) interests += "C++ ";
+
+        JOptionPane.showMessageDialog(this,
+                "Name: " + name + "\n" +
+                        "Email: " + email + "\n" +
+                        "Gender: " + gender + "\n" +
+                        "Interests: " + interests,
+                "Registration Details", JOptionPane.INFORMATION_MESSAGE);
+    }
+}