import java.awt.*; import java.awt.event.*; public class HelloWorld extends Frame { public HelloWorld() { setSize(300,300); setVisible(true); addWindowListener(new WindowAdapter(){ public void windowClosing(WindowEvent e){ System.exit(0); } }); } public void paint (Graphics g) { g.drawString("Hello World",50,50); } public static void main (String args[]) { new HelloWorld(); } }