０５２７ｘｘ - プログラム倉庫

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

class game0527 extends Canvas {
Frame fr;
int x;

public void paint( Graphics g ) {
g.fillRect(50*x, 50,50,50);
}

game0527() {
x=0;
fr = new Frame( "フレーム" );
setSize( 500, 500 );
fr.add( this, BorderLayout.NORTH );
Button bu = new Button( "ボタン" );
fr.add( bu, BorderLayout.CENTER );
bu.addActionListener( new ActionListener() {

public void actionPerformed( ActionEvent e ) {
x=x+1;
repaint();
}

      } ); 

      fr.pack(); 
      fr.setVisible( true );    

fr.addWindowListener(new stopwin());
}

class stopwin extends WindowAdapter{

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

  public static void main( String[] args ) { 
      game0527 test= new game0527(); 
  } 

}