gerobak sederhana

package penggunaanawt;

import java.awt.*;

import java.awt.event.*;

public class AWTDemo extends Frame implements ActionListener{

    int x = 100;

    int y = 100;

public static void main(String[] args) {

    Frame frame = new AWTDemo();

    frame.setSize(640, 480);

    frame.setVisible(true);

}

public AWTDemo() {

setTitle("AWT Demo");

// create menu

    MenuBar mb = new MenuBar();

    setMenuBar(mb);

    Menu menu = new Menu("File");

    mb.add(menu);

    MenuItem mi = new MenuItem("Exit");

    mi.addActionListener(this);

    menu.add(mi);

// end program when window is closed

    WindowListener l = new WindowAdapter()  {

    public void windowClosing(WindowEvent ev) {

    System.exit(0);

    }

    };

this.addWindowListener(l);

// mouse event handler

MouseListener mouseListener = new MouseAdapter() {

public void mouseClicked(MouseEvent ev) {

    x = ev.getX();

    y = ev.getY();

    repaint();

}

};

addMouseListener(mouseListener);

}

public void paint(Graphics g) {

g.drawLine(500, 100 , 100, 100);

g.drawLine(100, 150, 400, 150);

g.drawLine(400, 150, 400, 50);

g.drawLine(400, 100 , 150, 100);

g.drawLine(100, 50 , 100, 150);

g.drawOval(100, 100, 100, 100);

g.drawOval(300, 100, 100, 100);

}

public void actionPerformed(ActionEvent ev) {

String command = ev.getActionCommand();

if ("Exit".equals(command)) {

System.exit(0);

}

}