Question

write a menu driven program to display i)First 5 upper case letters ii)Last 5 lower case letters as per the user's choice Enter 1 to display upper case letters and 2 to display lower case letters.

Answer 1

// To display uppercase or lowercase as per user's choice

import java.util.*;

class choice

{                                                              

   public static void main(String args[])

   {                                                    

       Scanner sc=new Scanner(System.in);

       int i = 0;

       String s;

       System.out.println("Enter a word having ten letters");

       s = sc.nextLine();

       System.out.println("Enter 1 for uppercase letters or 2 for lowercase letters");

       i = sc.nextInt();

       if (i==1)

       System.out.println(s.substring(0,5).toUpperCase());

       else if (i==2)

       System.out.println(s.substring(5).toLowerCase());

       else if (i>2)

       System.out.println("Invalid");

   }

}