Java Program to compare two Strings lexicogrphically , print the sum of their lengths and print them with with their first letter with changed case - HackerRank

 

// Program by Akash Tripathi (@proakash256) 

import java.util.*;

public class String_Introduction

{

    public static void main(String[] args)

    {

        Scanner sc=new Scanner(System.in);

        String A=sc.next();

        String B=sc.next();

        System.out.printf("%d\n" , (A.length() + B.length()));

        if(A.compareTo(B) >= 0)

            System.out.println("Yes");

        else

            System.out.println("No");

        if(Character.isLowerCase(A.charAt(0)) == true)

            A = A.replace(A.charAt(0) ,

Character.toUpperCase(A.charAt(0)));

        else

            A = A.replace(A.charAt(0) ,

Character.toLowerCase(A.charAt(0)));

        if(Character.isLowerCase(B.charAt(0)) == true)

            B = B.replace(B.charAt(0) ,

Character.toUpperCase(B.charAt(0)));

        else

            B = B.replace(B.charAt(0) ,

Character.toLowerCase(B.charAt(0)));

        System.out.printf("%s %s" , A , B);

        sc.close();

    }

}