Exam_24_04_2016 P03 Операции между числа

package Exam_24_04_2016;

import java.util.Scanner;

/**
 * Created by todor on 13.03.2017 г..
 */
public class P03 {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int num1 = Integer.parseInt(scan.nextLine());
        int num2 = Integer.parseInt(scan.nextLine());
        char operator = scan.nextLine().charAt(0);
        double result = 0;

        switch (operator) {
            case '+':
                result = num1 + num2;
                break;
            case '-':
                result = num1 - num2;
                break;
            case '*':
                result = num1 * num2;
                break;
            case '/':
                if (num2 == 0) {
                    System.out.printf("Cannot divide %d by zero", num1);
                    return;
                }
                result = (double) num1 / num2;
                System.out.printf("%d / %d = %.2f", num1, num2, result);
                return;
            case '%':
                if (num2 == 0) {
                    System.out.printf("Cannot divide %d by zero", num1);
                    return;
                }
                System.out.printf("%d %% %d = %d", num1, num2, num1 % num2);
                return;
            default:
                return;
        }

        System.out.printf("%d %s %d = %.0f - %s", num1, operator, num2, result, oddOrEven((int) result));
    }

    static String oddOrEven(int number) {
        if (number % 2 == 0) {
            return "even";
        }
        return "odd";
    }
}