done

part-1/ClickCounterApp.java/.gitignore

@@ -0,0 +1,29 @@
+### IntelliJ IDEA ###
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

part-1/ClickCounterApp.java/ClickCounterApp.java.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

part-1/ClickCounterApp.java/src/ClickCounterApp.java

@@ -0,0 +1,49 @@
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.*;
+
+public class ClickCounterApp extends JFrame implements ActionListener {
+
+    private JLabel counterLabel;
+    private JButton clickButton;
+    private JButton resetButton;
+    private int count = 0;
+
+    public ClickCounterApp() {
+        setTitle("Click Counter");
+        setSize(300, 200);
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        setLocationRelativeTo(null);
+
+        counterLabel = new JLabel("Clicks: 0", SwingConstants.CENTER);
+        counterLabel.setFont(new Font("Arial", Font.BOLD, 24));
+
+        clickButton = new JButton("Click Me");
+        clickButton.addActionListener(this);
+
+        resetButton = new JButton("Reset");
+        resetButton.addActionListener(e -> {
+            count = 0;
+            counterLabel.setText("Clicks: 0");
+        });
+
+        JPanel buttonPanel = new JPanel();
+        buttonPanel.setLayout(new FlowLayout());
+        buttonPanel.add(clickButton);
+        buttonPanel.add(resetButton);
+
+        setLayout(new BorderLayout());
+        add(counterLabel, BorderLayout.CENTER);
+        add(buttonPanel, BorderLayout.SOUTH);
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+        count++;
+        counterLabel.setText("Clicks: " + count);
+    }
+
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(() -> new ClickCounterApp().setVisible(true));
+    }
+}

part-2/GreetingFormApp.java/.gitignore

@@ -0,0 +1,29 @@
+### IntelliJ IDEA ###
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

part-2/GreetingFormApp.java/GreetingFormApp.java.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

part-2/GreetingFormApp.java/src/GreetingFormApp.java

@@ -0,0 +1,60 @@
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.*;
+
+public class GreetingFormApp extends JFrame implements ActionListener {
+    private JTextField nameField;
+    private JButton greetButton;
+    private JButton resetButton;
+    private JLabel messageLabel;
+
+    public GreetingFormApp() {
+        setTitle("Greeting Form");
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        setSize(400, 200);
+        setLocationRelativeTo(null);
+
+        nameField = new JTextField(15);
+        greetButton = new JButton("Greet");
+        resetButton = new JButton("Reset");
+        messageLabel = new JLabel("Enter your name and press Greet.", SwingConstants.CENTER);
+
+        greetButton.addActionListener(this);
+        resetButton.addActionListener(this);
+
+
+        JPanel inputPanel = new JPanel();
+        inputPanel.add(new JLabel("Name:"));
+        inputPanel.add(nameField);
+        inputPanel.add(greetButton);
+        inputPanel.add(resetButton);
+
+        setLayout(new BorderLayout());
+        add(inputPanel, BorderLayout.NORTH);
+        add(messageLabel, BorderLayout.CENTER);
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+        Object source = e.getSource();
+
+        if (source == greetButton) {
+            String name = nameField.getText().trim();
+            if (name.isEmpty()) {
+                messageLabel.setText("Please enter a name.");
+            } else {
+                messageLabel.setText("Hello, " + name + "!");
+            }
+        } else if (source == resetButton) {
+            nameField.setText("");
+            messageLabel.setText("Enter your name and press Greet.");
+        }
+    }
+
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(() -> {
+            GreetingFormApp app = new GreetingFormApp();
+            app.setVisible(true);
+        });
+    }
+}

part-3/ThemeColorSelectorApp/.gitignore

@@ -0,0 +1,29 @@
+### IntelliJ IDEA ###
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

part-3/ThemeColorSelectorApp/ThemeColorSelectorApp.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>