NXJ Remote Control Desktop App

import lejos.nxt.Motor;

import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

import javax.swing.JFrame;
public class desktop1 implements KeyListener{
    JFrame frame;
    static int dir = 0;
public desktop1(){
    frame = new JFrame();
    frame.setSize(500,300);
    frame.setLocation(300,300);
    frame.setVisible(true);
    frame.addKeyListener(this);
}
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        desktop1 g1 = new desktop1();
    }


    public void keyPressed(KeyEvent e) {
        // TODO Auto-generated method stub
        char c = e.getKeyChar();
        System.out.println(c);
        if(c == 'a')
        {
            turnLeft();
        }
        if(c=='w')
        {
            dir=1;  //forward
            move(dir);
        }
        if(c=='s')
        {
            dir=-1; //backward
            move(dir);
        }
    }


    public void keyReleased(KeyEvent e) {
        // TODO Auto-generated method stub
        char c = e.getKeyChar();
        if(c=='w'||c=='s')  //if move key released, stop
        {
            dir=0;
            move(dir);
        }
        if(c=='a')  //reset steering to forward
        {
            Motor.A.rotate(45);
        }
        if(c=='d')
        {
            Motor.A.rotate(-45);
        }
    }


    public void keyTyped(KeyEvent e) {}
    public void turnLeft()
    {
        Motor.A.rotate(-45);
    }
    public void turnRight()
    {
        Motor.A.rotate(45);
    }
    public void move(int direction)
    {
        Motor.B.setSpeed(direction*100);
    }

}