BinToDec

// Shavit Borisov
// CW

import java.util.Scanner;

public class BinToDec {

    public static void main(String[] args)

    {
        Scanner in = new Scanner (System.in);

        System.out.println("Enter a 4 digit Binary number:");
            int bin = in.nextInt();

        int first = bin % 10;
        int second = bin / 10 % 10;
        int third = bin / 100 % 10;
        int fourth = bin / 1000 % 10;

        double Dec = first * Math.pow(2,0) + second * Math.pow(2, 1) + third * Math.pow(2, 2) + fourth * Math.pow(2, 3);

        System.out.printf("The Decimal value of your number is %.0f.", Dec);
        in.close();
    }

}