public static void main(String[] args) { // TODO Auto-generated method stub Scanner in = new Scanner(System.in); String operator; System.out.println("What is the the first number? :"); int num1 = Integer.parseInt(in.nextLine()); System.out.println( "1 - Addition\n2 - Subtraction\n3 - Multiplication\n4 - Division\n5 - Modulus"); int choice = Integer.parseInt(in.nextLine()); System.out.println("What is the second number ? :"); int num2 = Integer.parseInt(in.nextLine()); Calculator c = new Calculator(); if (choice == 1) { operator = "+"; System.out.println(num1 + operator + num2 + "=" + c.addition(num1, num2)); } else if (choice == 2) { operator = "-"; System.out.println(num1 + operator + num2 + "=" + c.subtraction(num1, num2)); } else if (choice == 3) { operator = "*"; System.out.println(num1 + operator + num2 + "=" + c.multiplication(num1, num2)); } else if (choice == 4) { operator = "/"; System.out.println(num1 + operator + num2 + "=" + c.division(num1, num2)); } else if (choice == 5) { operator = "%"; System.out.println(num1 + operator + num2 + "=" + c.modulus(num1, num2)); } else System.out.println("Invalid Operation"); in.close(); }
public static void main(String[] args) { Calculator calc = new Calculator(); calc.add(5, 5); calc.subtract(10, 5); calc.multiply(5, 3); calc.divide(20, 3); calc.modulus(10, 4); }