MultiplesChecker.java

import java.util.Scanner; // for user input

public class MultiplesChecker {

    /**
    *   Program:    MultiplesChecker.java
    *   Purpose:    Yahoo! Answers
    *   creator:    Chris Clarke
    *   Created:    16.09.2013
    */

    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);

        System.out.println("This program will collect a number from the user,");
        System.out.println("and then report back the following:");
        System.out.println("If the number is a multiple of 2 (2/N)");
        System.out.println("If the number is a multiple of 3 (3/N)");
        System.out.println("If the number is a multiple of 5 (5/N)");
        System.out.println("If the number is a multiple of 7 (7/N)");
        System.out.print("Where we see [The Number]:[Mult of 2]:[Mult of 3]");
        System.out.println(":[Mult of 5]:[Mult of 7]");
        System.out.println("(all the values should be separated by colons)");
        System.out.println("For example, 21, which is a multiple of 3 and 7");
        System.out.println("would be formatted like this:");
        System.out.println("21:N:3:N:7");
        System.out.print("What number would you like to test? ");

        int number = scan.nextInt(); // get integer from user

        System.out.print(number);
        System.out.print(getMult(number, 2));
        System.out.print(getMult(number, 3));
        System.out.print(getMult(number, 5));
        System.out.print(getMult(number, 7));

        System.out.println(); // new line

    }//end main()

    public static String getMult(int n, int a) {
        // modulo (%) is the remainder after division
        if (n % a == 0) {
            return ":"+a;
        } else {
            return ":N";
        }//end if/else
    }//end getMult()
}//end class