Weekly Challenge #1: Basic Calculator

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        System.out.println();
        Scanner input = new Scanner(System.in);

        int num1 = 0;
        int num2 = 0;

        System.out.print("Please input your first whole number: ");
        if (input.hasNextInt()) {
            num1 = input.nextInt();
        } else {
            System.out.println("\nThis is not a correct number, the program will now terminate");
            System.exit(0);
        }

        System.out.print("Please input your second whole number: ");
        if (input.hasNextInt()) {
            num2 = input.nextInt();
        } else {
            System.out.println("\nThis is not a correct number, the program will now terminate");
            System.exit(0);
        }

        System.out.println("\nFrom the menu below, enter the number of the operation you would like to perform:");
        System.out.println("\t1) Add");
        System.out.println("\t2) Subtract");
        System.out.println("\t3) Multiply");
        System.out.println("\t4) Divide (to the nearest whole number)");
        System.out.print("> ");
        int symbol = input.nextInt();

        System.out.println();

        if (symbol == 1) {
            System.out.println("You have requested: " + num1 + " + " + num2);
            System.out.println("And the answer is: " + (num1 + num2));
        }else if (symbol == 2) {
            System.out.println("You have requested: " + num1 + " - " + num2);
            System.out.println("And the answer is: " + (num1 - num2));
        }else if (symbol == 3) {
            System.out.println("You have requested: " + num1 + " x " + num2);
            System.out.println("And the answer is: " + (num1 * num2));
        } else if (symbol == 4){
            System.out.println("You have requested: " + num1 + " / " + num2);
            if (num2 == 0) {
                System.out.println("You cannot divide by zero, the program will now terminate.");
                System.exit(0);
            } else {
                System.out.println("And the answer is (rounded to the nearest whole number): " + (num1 / num2));
            }

        }else {
            System.out.println("Incorrect option selected, the program will now terminate");
            System.exit(0);
        }
    }
}