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  1. import java.applet.Applet;
  2. import java.awt.*;
  3. import java.awt.event.*;
  4.  
  5. import javax.swing.Timer;
  6.  
  7. public class question extends Applet implements ActionListener{
  8.         Button bt1;
  9.         int count = 0;
  10.         Timer timer;
  11.  
  12.         public void init(){
  13.                 bt1 = new Button("start");
  14.                 add(bt1);
  15.                 bt1.addActionListener(this);
  16.                 timer = new Timer(1000, this);
  17.         }
  18.  
  19.         public void actionPerformed(ActionEvent e) {
  20.                 if (e.getSource() == bt1) {
  21.                         bt1.setEnabled(false);
  22.                         count += 1;
  23.                         repaint();
  24.                         timer.start();
  25.                 } else if (e.getSource() == timer) {
  26.                         count += 2;
  27.                         repaint();
  28.                         bt1.setEnabled(true);
  29.                         timer.stop();
  30.                 }
  31.         }
  32.  
  33.         public void paint(Graphics g){
  34.                 for(int i = 0; i < count; i++){
  35.                         g.drawRect(10, 10, 10 + i * 5, 10 + i * 5);
  36.                 }
  37.         }
  38.  
  39. }
  40.  
Not running #stdin #stdout 0s 0KB
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https://ideone.com/y0mQ5
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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