Question

Write a menu driven program to generate the uppercase letters from Z to A and lowercase letters from a to z as per the user's choice. Enter 1 to display uppercase letters from Z to A and Enter 2 to display lowercase letters from a to z.

Answer 1

import java.util.*; 
public class Q8
{public static void main(String args[])
{Scanner in = new Scanner(System.in);
int x;
System.out.printIn("Enter '1' to display upper case letters from Z to A");
System.out.println("Enter '2’ to display lower case letters from a to z");
x = in.nextInt();
switch (x)
{case 1: for (int i = 90; i >= 65; i--)
System.out.println((char) i);
      break;
case 2: for (int j = 97; j <= 122; j++)
System.out.println((char) j);
      break;
default:System.out.println("INVALID ENTRY");
}}}