じゃヴぁ０５ - プログラム倉庫

import java.awt.*;
import java.awt.event.*;

public class ex05
{
  public static void main(String[] args)
  {  
    Frame f = new Frame("ex05");    
    Button b1 = new Button("上");
    Button b2 = new Button("下");
    Button b3 = new Button("右");
    Button b4 = new Button("左");
    Button b5 = new Button("中");
    f.setSize(500, 500);                
    f.setLayout(new BorderLayout(5, 5));  
    f.add(b1, BorderLayout.NORTH);
    f.add(b2, BorderLayout.SOUTH);
    f.add(b3, BorderLayout.WEST);
    f.add(b4, BorderLayout.EAST);
    f.add(b5, BorderLayout.CENTER);
    f.setVisible(true);                          
    f.addWindowListener(new WindowAdapter()
      {
        public void windowClosing(WindowEvent e)
        {
          System.exit(0);                  
        }
      });
   }
}