pto0405 - プログラム倉庫

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

class pro0405 extends Frame implements Runnable{

Frame f;
Thread th;
int num;

public static void main(String[] args){
Frame f=new pro0405();
f.setTitle("pro0405");
f.setSize(500,500);
f.setBackground(Color.yellow);
f.show();
}

pro0405() {
addWindowListener(new stopwin());
num=1;
th=new Thread(this);
th.start();
}

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

public void paint( Graphics g ) {
g.setColor(Color.yellow);
g.fillRect(100,100,300,300);
g.setColor(Color.red);
g.fillRect(10*num+100,100+10*num,10,10);
num=num+1;
}

public void update(Graphics g) {
paint(g);
}

public void run() {
int n;
for (n=1;n<101;n++){
repaint();
try{th.sleep(100);} catch(InterruptedException e) { }
}
}
}