はヴぁ０７１９ - プログラム倉庫

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

class java0719 extends Frame {
Button bu;

 public static void main(String [] args) { 
       java0719 f=new java0719("java0719");        

f.buhin();
f.show();
}

java0719(String s){
super(s);
setSize(600,600);
addWindowListener(new stopwin());
}

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

}

class stopwin extends WindowAdapter{

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