07. Nested if Conditionals - Lab Excercise - Софтуерен университет

07. Nested if Conditionals - Lab Excercise

Тъй като при делението се изисква double, а входовете са ми int по условие,получавам резултат, но без остатък.А когато се опитам да деля на 0 , IDEto директно ми дава грешка.Ако може някой да хелпне.
Това е кода , който сътворих. :Д




import java.util.Scanner;

public class Calculus {
    public static void main (String[] args) {
        Scanner scanner = new Scanner(System.in);
        int num1 = Integer.parseInt(scanner.nextLine());
        int num2 = Integer.parseInt(scanner.nextLine());
        String operator = scanner.nextLine();
        int result1 = 0;
        double result2 =0.0;
        switch (operator){
            case "+": result1 = num1+ num2; break;
            case "-": result1 = num1- num2; break;
            case "*": result1 = num1* num2; break;
            case "/": result2 = num1 / num2; break;
            case "%": result1 = num1 % num2; break;
        }
        if (operator.equals("+")||operator.equals("-")||operator.equals("*") && result1 % 2==0){
            System.out.printf("%d %s %d = %d - even",num1,operator,num2,result1);

        }
       else if (operator.equals("+")||operator.equals("-")||operator.equals("*") && !(result1 % 2==0)){
            System.out.printf("%d %s %d = %s  odd",num1,operator,num2,result1);}
       if (operator.equals("%")){
           System.out.printf("%d %s %d = %d",num1,operator,num2,result1) ;
       }
        if (operator.equals("/") && !(num2==0)){
            System.out.printf("%d %s %d = %.2f",num1,operator,num2,result2) ;
        }
       else if (operator.equals("/") && num2==0){
            System.out.printf("Cannot divide %d by zero",num1) ;
        }

}}

int n1 = Integer.parseInt(scanner.nextLine()); int n2 = Integer.parseInt(scanner.nextLine()); char operator = scanner.nextLine().charAt(0); String parity = null; double result = 0; switch (operator) { case '+': result = n1 + n2; parity = result % 2 == 0 ? "even" : "odd"; System.out.printf("%d %s %d = %.0f - %s", n1, operator, n2, result, parity); break; case '-': result = n1 - n2; parity = result % 2 == 0 ? "even" : "odd"; System.out.printf("%d %s %d = %.0f - %s", n1, operator, n2, result, parity); break; case '*': result = n1 * n2; parity = result % 2 == 0 ? "even" : "odd"; System.out.printf("%d %s %d = %.0f - %s", n1, operator, n2, result, parity); break; case '/': if (n2 != 0) { result = 1.0 * n1 / n2; System.out.printf("%d %s %d = %.2f", n1, operator, n2, result); } else{ System.out.printf("Cannot divide %d by zero", n1); } break; case '%': if (n2 != 0) { result = n1 % n2; System.out.printf("%d %s %d = %.0f", n1, operator, n2, result); } else{ System.out.printf("Cannot divide %d by zero", n1); } break; }