Source Code : Pacer

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Pacer

import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;

public class Pacer extends MIDlet{ 
  public void startApp() { 
    Displayable d = new PacerCanvas();
    
    d.addCommand(new Command("Exit", Command.EXIT, 0));
    d.setCommandListener(new CommandListener() { 
      public void commandAction(Command c, Displayable s) { 
        notifyDestroyed();
      } 
    } );
    
    Display.getDisplay(this).setCurrent(d);
  } 
  
  public void pauseApp() { } 

  public void destroyApp(boolean unconditional) { } 
} 

class PacerCanvas extends Canvas { 
  public void paint(Graphics g) { 
    int w = getWidth();
    int h = getHeight();
    
    g.setColor(0xffffff);
    g.fillRect(0, 0, w, h);
    g.setColor(0x000000);

    for (int x = 0; x < w; x += 10)
      g.drawLine(0, w - x, x, 0);
    
    int z = 50;
    g.drawRect(z, z, 20, 20);
    z += 20;
    g.fillRoundRect(z, z, 20, 20, 5, 5);
    z += 20;
    g.drawArc(z, z, 20, 20, 0, 360);
  } 
} 

           
       

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