Program to convert a given string into upper and lower cases

// Program

public class StringLowerAndUpper

{ 

    public static void main(String args[])

    { 

        String s1="My name is Sukhvir Singh."; 

        System.out.println("Original String is");

        System.out.println(s1); 

        String s2=s1.toLowerCase();

        System.out.println("\nString in Lower Case is");

        System.out.println(s2); 

        String s3=s1.toUpperCase();

        System.out.println("\nString in Upper Case is");

        System.out.println(s3);

    }

} 

**Author**

Sukhvir Singh

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