Initial Commit

CustomJFrame/Main.java

@@ -0,0 +1,9 @@
+package CustomJFrame;
+
+public class Main {
+    public static void main(String[] args) {
+        MyJFrame myJFrame = new MyJFrame("My Custom JFrame Counter GUI");
+
+        myJFrame.setVisible(true);
+    }
+}

CustomJFrame/MyJFrame.java

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+package CustomJFrame;
+
+import java.awt.FlowLayout;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+
+public class MyJFrame extends JFrame {
+    private int counter;
+
+    public MyJFrame(String title) {
+        super(title);
+
+        counter = 0;
+
+        this.setLayout(new FlowLayout(FlowLayout.CENTER));
+        this.setSize(300, 200);
+
+        JButton button = new JButton();
+        button.setText("Click Me!");
+        button.addActionListener((v) -> {
+            counter += 1;
+
+            button.setText("You've clicked the button " + counter + " times!");
+        });
+
+        this.add(button);
+    }
+}

CustomJPanel/Main.java

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+package CustomJPanel;
+
+import javax.swing.JFrame;
+
+public class Main {
+    public static void main(String[] args) {
+        JFrame jframe = new JFrame("My Custom JPanel Counter GUI");
+
+        jframe.setSize(300, 200);
+
+        jframe.add(new MyJPanel());
+
+        jframe.setVisible(true);
+    }
+}

CustomJPanel/MyJPanel.java

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+package CustomJPanel;
+
+import java.awt.FlowLayout;
+
+import javax.swing.JButton;
+import javax.swing.JPanel;
+
+public class MyJPanel extends JPanel {
+    private int counter;
+
+    public MyJPanel() {
+        super();
+
+        counter = 0;
+
+        this.setLayout(new FlowLayout(FlowLayout.CENTER));
+        this.setSize(300, 200);
+
+        JButton button = new JButton();
+        button.setText("Click Me!");
+        button.addActionListener((v) -> {
+            counter += 1;
+
+            button.setText("You've clicked the button " + counter + " times!");
+        });
+
+        this.add(button);
+    }
+}

SingleFile/Main.java

@@ -0,0 +1,29 @@
+package SingleFile;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+
+import java.awt.FlowLayout;
+
+public class Main {
+    private static int counter; 
+    public static void main(String[] args) {
+        counter = 0;
+
+        JFrame jFrame = new JFrame("My Single File Counter GUI");
+
+        jFrame.setLayout(new FlowLayout(FlowLayout.CENTER));
+        jFrame.setSize(300, 200);
+
+        JButton button = new JButton();
+        button.setText("Click Me!");
+        button.addActionListener((v) -> {
+            counter += 1;
+
+            button.setText("You've clicked the button " + counter + " times!");
+        });
+
+        jFrame.add(button);
+        jFrame.setVisible(true);
+    }
+}