import javax.swing.*;import java.awt.*;import java.awt.event.*;public class DrawLine extends JApplet implements MouseListener,MouseMotionListener{    int x1,y1,x2,y2;//    int screenx,screeny;//    Dimension screen;    Stroke sk=new BasicStroke(2.0f);    public void init(){//        screen=Toolkit.getDefaultToolkit().getScreenSize();//        screenx=(int)screen.getWidth();//        screeny=(int)screen.getHeight();//        setBounds((screenx-400)/2, (screeny-700)/2, 400, 700);        addMouseListener(this);        addMouseMotionListener(this);    }    public void paint(Graphics g){        Graphics2D gg=(Graphics2D)g;        gg.setStroke(sk);        gg.drawLine(x1, y1, x2, y2);    }    @Override    public    void mouseClicked(MouseEvent arg0) {        // TODO Auto-generated method stub            }    @Override    public void mouseEntered(MouseEvent arg0) {        // TODO Auto-generated method stub            }    @Override    public void mouseExited(MouseEvent arg0) {        // TODO Auto-generated method stub            }    public void mousePressed(MouseEvent arg0) {        //x1=arg0.getX();        //y1=arg0.getY();    }    @Override    public void mouseReleased(MouseEvent arg0) {        // TODO Auto-generated method stub            }    @Override    public void mouseDragged(MouseEvent arg0) {        x2=arg0.getX();        y2=arg0.getY();        x1=x2;        y1=y2;        repaint();    }    @Override    public void mouseMoved(MouseEvent arg0) {                Point p=new Point(x2,y2);        System.out.println(p);        //System.out.println("Y"+this.y2);        }}