/**
 * Write a description of class Variables here.
 *
 * @author (Lucky Shahin)
 * @version (17-09-2019)
 */
public class Variables
{
    public int reverse(int num){
        if(num>99 && num<1000){
            int lastNum = num%10;
            num = num/10;
            int midNum = num%10;
            num = num/10;
            int firstNum = num%10;

            int result = lastNum*100+midNum*10+firstNum;

            return result;
        }else{
            System.out.println("You should input 3 digit numbers!");
            return 0;
        }
    }
    public int square(int num){
        if(num>99 && num<1000){
            int kuadNum = num * num;
            return kuadNum;
        }else{
            System.out.println("You don't input 3 digit numbers!");
            return 0;
        }
    }
}