按扭.txt

此文件为自己自学JAVA时调试通过的JAVA程序范例

import javax.swing.*;
import java.awt.*;
class FrameTest extends JFrame 
{

 public FrameTest()
  {
    super("窗体标题");
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    setVisible(true);
    setSize(500,500);
  }
 }

class ButtonTest extends FrameTest
{
 JButton Button1;
 JButton Button2;
 JButton Button3;
 JButton Button4;
 JButton Button5;
 public ButtonTest()
  {
    Button1=new JButton("左按扭");
    Button2=new JButton("右按扭");
    Button3=new JButton("上按扭");
    Button4=new JButton("下按扭");
    Button5=new JButton("中按扭");
    
    getContentPane().add("West",Button1);
    getContentPane().add("East",Button2);
    getContentPane().add("North",Button3);
    getContentPane().add("South",Button4);
    getContentPane().add("Center",Button5);
  }
}
    

public class Frame2
{
 public static void main(String[] args)
  {
   new ButtonTest();
  }
}