Java Program to Convert Uppercase Character to Lowercase Character

/*Aims to convert Uppercase Character to Lowercase Character */

import java.util.Scanner;

public class JavaProgram
{
    public static void main(String[] input)
    {
        char ch;
        int temp;
        Scanner scan = new Scanner(System.in);
        
        System.out.print("Enter a Character in Uppercase : ");
        ch = scan.next().charAt(0);
  
        temp = (int) ch;

        if((temp>=97)&&(temp<=122)) 

               temp = temp + 32;// The difference between the ASCII Codes of Lower case and Uppercase is 32
        ch = (char) temp;
  
        System.out.print("Equivalent Character in Lowercase = " + ch);
    }
}