0721 j - プログラム倉庫

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

class java0721 extends Frame implements ActionListener{
Button bu;
public static void main( String[] args ) {
java0721 f=new java0721("java0721");
f.buhin();
f.show();
}

java0721(String s){
super(s);
setSize(600,600);
addWindowListener(new stopwin());
}

void buhin(){
Button bu = new Button( "ボタン" );
add(bu);
bu.addActionListener(this);
}

public void actionPerformed( ActionEvent e ) {

   System.out.println("java0721"); 
           } 

}

class stopwin extends WindowAdapter{

  public void windowClosing(WindowEvent we){System.exit(0);} 
  }