Source of TestGUISwing8.java

Structures and functions

public class TestGUISwing8

  1: //TestGUISwing8.java
  2: //This time add a button first, then the panel with two buttons.

  4: import java.awt.*;
  5: import java.awt.event.*;
  6: import javax.swing.*;

  8: public class TestGUISwing8
  9: {
 10:     public static void main(String[] args)
 11:     {
 12:         JFrame frame = new JFrame("My JFrame");
 13:         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

 15:         JPanel panel = new JPanel();
 16:         JButton b1 = new JButton("First");
 17:         JButton b2 = new JButton("Second");
 18:         panel.add(b1);
 19:         panel.add(b2);
 20:         
 21:         JButton b3 = new JButton("Third");
 22:         frame.getContentPane().add(b3);

 24:         frame.getContentPane().add(panel);

 26:         frame.pack();
 27:         frame.show();
 28:     }
 29: }