JavaArray04.txt

/*Task 4
Write a Java program that takes a string input in small letters from the user and prints the previous alphabet in sequence for each alphabet found in the input.

Sample Input    Output          
wxyz             vwxy
thecow          sgdbnv
abcd             zabc */

import java.util.Scanner;
    public class JavaArray04{
          public static void main(String [] args){
                Scanner sc= new Scanner(System.in);
                String st1=sc.nextLine();
                String emp="";
                for(int i=0;i<st1.length();i++){
                      char ch=st1.charAt(i);
                      if(ch=='a'){
                            ch='z';
                            emp+=ch;}
                      else{
                            int val=(int) ch;
                            ch=(char)(val-1);
                            emp+=ch;}}
                System.out.println(emp);
          }
    }