enjoy

This is simple sub packages program
 

Very easy program if u want to do then just see and try in any editor:

For it first we have to create package and form that package we can derive
another sub package OK......

here is package program:


package pack;

public class A1
{
public void msg()
{
System.out.println("enjoy guys");
}
}

here is sub package program   
import pack.A1;

class B1
{
    public static void main(String args[])
    {
    A1 obj = new A1();
    obj.msg();
    }
}