Useful-College-Projects/l3.java at main · Devanshupardeshi/Useful-College-Projects · GitHub

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 class l3 {
  public static void main(String[] a1) {

        Double result;
    double number1 = Double.parseDouble(a1[0]);     char operator = a1[1].charAt(0);
    double number2 = Double.parseDouble(a1[2]);

    switch (operator) {
               case '+':
                result = number1 + number2;
                System.out.println(number1 + " + " + number2 + " = " + result);                 break;
               case '-':
                result = number1 - number2;
                System.out.println(number1 + " - " + number2 + " = " + result);                 break;
               case 'x':
                result = number1 * number2;
                System.out.println(number1 + " * " + number2 + " = " + result);                 break;
               case '/':
                result = number1 / number2;
                System.out.println(number1 + " / " + number2 + " = " + result);                 break;         case '%':
                result = number1 % number2;
                System.out.println(number1 + " % " + number2 + " = " + result);                 break;               default:
                System.out.println("Invalid operator!");                 break;
        }
  }
}