done

part-1/ClickCounter.java

@@ -0,0 +1,29 @@
+import javax.swing.*;
+import java.awt.*;
+
+public class ClickCounter {
+   private int count =0;
+   private JButton ClickButton;
+   private JLabel  countClick;
+   public ClickCounter() {
+       JFrame frame = new JFrame("Click Counter");
+
+       frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+       frame.setSize(300,200);
+       frame.setResizable(false);
+       frame.setLocationRelativeTo(null);
+//       frame.setLayout(null);
+       ClickButton = new JButton("Click");
+//       ClickButton.setBounds(0,113,300,50);
+       countClick = new JLabel("Clicks: "+count,JLabel.CENTER);
+       ClickButton.addActionListener(e -> {
+         count++;
+         countClick.setText("Clicks: "+count);
+       });
+
+       frame.add(ClickButton,BorderLayout.SOUTH);
+       frame.add(countClick,BorderLayout.CENTER);
+       frame.setVisible(true);
+   }
+
+}

part-1/Main.java

@@ -0,0 +1,7 @@
+import javax.swing.*;
+
+public class Main {
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater (()->new ClickCounter());
+    }
+}

part-2/GreetingFormApp.java

@@ -0,0 +1,37 @@
+import javax.swing.*;
+import java.awt.*;
+
+public class GreetingFormApp {
+    private JLabel lblGreeting;
+    private JButton btnGreet;
+    private final JTextField txtGreeting;
+
+    public GreetingFormApp() {
+        JFrame frame = new JFrame("Greeting");
+        frame.setLayout(new FlowLayout());
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setLocationRelativeTo(null);
+        frame.setSize(300, 150);
+        txtGreeting = new JTextField( 20);
+        JLabel lblGreeting = new JLabel("welcome to my application", SwingConstants.CENTER);
+        JButton btnGreet = new JButton("Greet");
+        btnGreet.addActionListener(e -> {
+            String greeting = txtGreeting.getText();
+            if ( greeting.isEmpty()) {
+                JOptionPane.showMessageDialog(null, "please enter your name");
+
+            } else {
+                lblGreeting.setText("Hello, " + greeting + "!");
+            }
+
+        });
+        JPanel panel = new JPanel();
+        panel.add(txtGreeting);
+        panel.add(btnGreet);
+        frame.add(panel, BorderLayout.NORTH);
+        frame.add(lblGreeting, BorderLayout.CENTER);
+        frame.setVisible(true);
+
+
+    }
+}

part-2/Main.java

@@ -0,0 +1,7 @@
+import javax.swing.*;
+
+public class Main {
+    public static void main(String[] args) {
+       SwingUtilities.invokeLater ( ()->new GreetingFormApp());
+    }
+}

part-3/ThemeColorSelectorApp.java

@@ -0,0 +1,52 @@
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+public class ThemeColorSelectorApp  extends  JFrame implements ActionListener {
+    private JFrame frame;
+    private JPanel Colorpanel;
+    private JButton RedButton;
+    private JButton GreenButton;
+    private JButton BlueButton;
+
+    public ThemeColorSelectorApp(){
+        frame = new JFrame("ThemeColorSelectorApp");
+        setLayout(new BorderLayout());
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setSize(400,400);
+         Colorpanel = new JPanel();
+        RedButton = new JButton("Red");
+        GreenButton = new JButton("Green");
+        BlueButton = new JButton("Blue");
+        JPanel buttonPanel = new JPanel();
+        RedButton.setActionCommand("Red");
+        GreenButton.setActionCommand("Green");
+        BlueButton.setActionCommand("Blue");
+        RedButton.addActionListener(this);
+        GreenButton.addActionListener(this);
+        buttonPanel.add(RedButton);
+        buttonPanel.add(BlueButton);
+        buttonPanel.add(GreenButton);
+        BlueButton.addActionListener(this);
+        frame.add(Colorpanel,BorderLayout.CENTER);
+        frame.add(buttonPanel,BorderLayout.NORTH);
+
+
+
+        frame.setVisible(true);
+    }
+
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+        switch (e.getActionCommand()){
+            case "Red": Colorpanel.setBackground(Color.RED);
+            break;
+            case "Green": Colorpanel.setBackground(Color.GREEN);
+            break;
+            case "Blue": Colorpanel.setBackground(Color.BLUE);
+            break;
+        }
+    }
+}

part-3/ex1.java

@@ -0,0 +1,8 @@
+import javax.swing.*;
+
+public class ex1 {
+
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(()-> new ThemeColorSelectorApp());
+    }
+}

part-4/Main.java

@@ -0,0 +1,7 @@
+import javax.swing.*;
+
+public class Main {
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(() ->new RegistrationFormApp() );
+    }
+}

part-4/RegistrationFormApp.java

@@ -0,0 +1,106 @@
+import javax.swing.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.*;
+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("Registration Form");
+        setDefaultCloseOperation(EXIT_ON_CLOSE);
+        setSize(300, 300);
+        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;
+        gbc.gridy = 0;
+         txtName = new JTextField(20);
+        panel.add(txtName, gbc);
+        gbc.gridx = 0;
+        gbc.gridy = 1;
+        panel.add(new JLabel("Email:"), gbc);
+        gbc.gridx = 1;
+        gbc.gridy = 1;
+         txtEmail = new JTextField(30);
+        panel.add(txtEmail, gbc);
+        gbc.gridx = 0;
+        gbc.gridy = 2;
+        panel.add(new JLabel("Password:"), gbc);
+        gbc.gridx = 1;
+        gbc.gridy = 2;
+         txtPassword = new JPasswordField(20);
+        panel.add(txtPassword, gbc);
+        gbc.gridx = 0;
+        gbc.gridy = 3;
+        panel.add(new JLabel("Gender:"), gbc);
+        gbc.gridx = 1;
+        gbc.gridy = 3;
+        RbMale = new JRadioButton("Male");
+        RbFemale = new JRadioButton("Female");
+      ButtonGroup buttonGroup = new ButtonGroup();
+      buttonGroup.add(RbMale);
+      buttonGroup.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 Label("Interests: "), gbc);
+      gbc.gridx = 1;
+      gbc.gridy = 4;
+       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, BorderLayout.CENTER);
+      setVisible(true);
+    }
+    @Override
+    public void actionPerformed(ActionEvent e) {
+    String name = txtName.getText();
+    String email = txtEmail.getText();
+    String Gender = RbMale.isSelected() ? "Male" : "Female";
+    String interests = setInterests();
+    JOptionPane.showMessageDialog(this, "Name: " + name + "\n" +
+            "Email: " + email + "\n" +
+            "Gender: " + Gender + "\n" +
+            "Interests: " + interests, "Registration Form", JOptionPane.INFORMATION_MESSAGE);
+
+
+    }
+    public String setInterests() {
+        String result = "";
+        if (cbJava.isSelected()) {
+            result += "Java ";
+        }
+        if (cbPython.isSelected()) {
+            result += "Python ";
+        }
+        if (cbCpp.isSelected()) {
+            result += "C++ ";
+        }
+        return result;
+    }
+}