A Program That Take String As Input And Gives it's Reverse Without Using Any Built-In-Function(JAVA)

Source Code

import java.util.Scanner;

class ReverseString{
    public void stringReverse(){
    String original, reverse = "";
      Scanner in = new Scanner(System.in);

      System.out.println("Enter a string to reverse");
      original = in.nextLine();

      int length = original.length();

      for ( int i = length - 1 ; i >= 0 ; i-- )
         reverse = reverse + original.charAt(i);

      System.out.println("Reverse of entered string is: "+reverse);
    }
}
 class Main{
   public static void main(String args[]){
     ReverseString obj= new ReverseString();
     obj.stringReverse();
   }
}

Output