public class StringTest2 {

 

     public static void main (String args[] ) {

        System.out.println("Case 1");

        String st1 = new String();

        String st2 = new String();

        if (st1 == st2)

           System.out.println("st1 is == st2");

        else

           System.out.println("st1 is NOT == st2");

 

        System.out.println("Case 2");

        st1 = new String("Hello");

        st2 = new String("Hello");

        if (st1 == st2)

           System.out.println("st1 is == st2");

        else

          System.out.println("st1 is NOT == st2");

 

        System.out.println("Case 3");

        st2 = "Bye";

        if (st1 == st2)

           System.out.println("st1 is == st2");

        else

           System.out.println("st1 is NOT == st2");

 

        System.out.println("Case 4");

        st2 = st1;

        if (st1 == st2)

           System.out.println("st1 is == st2");

        else

           System.out.println("st1 is NOT == st2");

 

        System.out.println("Case 5");

        st1 = "Hello";

        st2 = "Hello";

        if (st1 == st2)

           System.out.println("st1 is == st2");

        else

           System.out.println("st1 is NOT == st2");

 

        System.out.println("Case 6");

        String st3 = "Hello";

        if (st1 == st3)

           System.out.println("st1 is == st3");

        else

           System.out.println("st1 is NOT == st3");

 

     } //main

} //class