2 public static void main(String[] s) {
5 System.out.println ("Hello world");
6 System.out.println ("Hello world1");
7 System.out.println ("Hello world2");
11 System.out.println ("Hello world");
12 System.out.println ("Hello world1");
13 System.out.println ("Hello world2");
28 System.out.println(""+i);
30 System.out.println(""+i);
37 Object o[]=new Object[20];