package debugexample;import java.awt.Frame;import java.awt.HeadlessException;/** * <p>Title: </p> * <p>Description: </p> * <p>Copyright: Copyright (c) 2004</p> * <p>Company: </p> * @author not attributable * @version 1.0 */public class mainclass extends Frame {  public mainclass() throws HeadlessException {    System.out.println("Hello the world");  }  public static void main(String[] args) throws HeadlessException {    mainclass mainclass1 = new mainclass();  }}