WIPI Basic Program

 import org.kwis.msp.lcdui.*;
 import org.kwis.msp.lwc.*;

 public class HelloWorld extends Jlet {   
    protected void startApp(String args[]){
         Display dis = Display.getDefaultDisplay( );
        dis.pushCard(new SampleCard( ));
    }

    protected void pauseApp( ) {
    }

     protected void resumeApp( ) {
     }
  
     protected void destroyApp(boolean b) {
     }
 }

 class SampleCard extends Card  {
     int color = 0xff0000;
     public void paint(Graphics g) {
         g.setColor(color);
         g.fillRect(0, 0, getWidth( ), getHeight( ));
         // Draw a string
         g.setColor(0);
         g.drawString("Hello World", 10, 10, g.TOP | g.LEFT);
     }
 }