あｐｐぇ０８１１ｘｘ - プログラム倉庫

import java.awt.*;
import java.awt.event.*;
class apple0811 extends Frame {
    public static void main(String [] args) {
        Frame f=new apple0811();
        f.setTitle("apple0811");
        f.setSize(500,500);
        f.setBackground(Color.yellow);        
        f.setVisible(true);
    }

apple0811(){addWindowListener(new stopwin());}
class stopwin extends WindowAdapter{
    public void windowClosing(WindowEvent we){System.exit(0);}
    }

public void paint(Graphics g){
g.setColor(Color.blue);    
g.drawLine(100,100,400,400);
  }
}