// Create a calculator
	public static void main(final String[] args) {

		final int number1;
		final int number2;
		final char operator;
		double answer = 0.0;

		final Scanner scanner = new Scanner(System.in);

		System.out.println("Please enter the first number: ");
		number1 = scanner.nextInt();
		System.out.println("Please enter the second number: ");
		number2 = scanner.nextInt();
		System.out.println("What operation do you want to use? ");
		operator = scanner.next().charAt(0);

		switch (operator) {
			case '+':
				answer = number1 + number2;
				break;

			case '-':
				answer = number1 - number2;
				break;

			case '*':
				answer = number1 * number2;
				break;

			case '/':
				answer = number1 / number2;
		}

		System.out.println(number1 + "" + operator + "" + number2 + " = " + answer);
	}
}