Chapter4_Loops_Ex1

import java.util.Scanner;

/*
    ======================================
        NoteBook chapter 4: Loops

        Ex1: Repeated digit in a number
    ======================================

*/

public class MyProgram {
    public static void main(String[] args) {

        //variables
        int number,tmp,d,counter=0;
        byte digit;
        Scanner s=new Scanner(System.in);

        //user input
        System.out.println("enter a number and a digit: ");
        number=s.nextInt();
        digit=s.nextByte();

        tmp=number;     //keeping the original number intact


        while (tmp!=0){
            d= tmp%10;       // d = last digit of the number
            if(d==digit)
                counter++;       //increase counter when same digits
            tmp/=10;         //get rid of the last digit
        }
        System.out.println("number: "+number+ "\tdigit: "+ digit + "\trepeats: "+counter);

    }
}