Simple Calculator V2

// Shavit Borisov
// CW

import java.util.Scanner;

public class SimpleCalculatorV2 {

    public static void main(String[] args)

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

        float num1, num2;
        char operator;

        System.out.println("Enter 2 numbers and an operator:");
        num1 = in.nextFloat();
        num2 = in.nextFloat();
        operator = in.next().charAt(0);

        switch (operator)
        {
            case '+':
                System.out.printf("Your equation is %.2f + %.2f = %.2f", num1, num2, num1+num2);
                break;
            case '-':
                System.out.printf("Your equation is %.2f - %.2f = %.2f", num1, num2, num1-num2);
                break;
            case '*':
                System.out.printf("Your equation is %.2f * %.2f = %.2f", num1, num2, num1*num2);
                break;
            case '/':
                System.out.printf((!(num2==0)) ? "Your equation is %.2f / %.2f = %.2f" : "Your equation is invalid!", num1, num2, num1/num2);
                break;
            default:
            System.out.printf("Your equation is invalid!");
        }

        in.close();
    }

}