// package com.package;

import java.util.Scanner;

class Calculator

{

static double result;

public static void main(String[] args)

{

Scanner reader=new Scanner(System.in);

System.out.println("Enter two Numbers: ");

// nextDouble() reads the next double from the keyb

double first = reader.nextDouble();

double second = reader.nextDouble();

System.out.println("Enter an operator (+,-,*,/) :");

char operator = reader.next().charAt(0);

// double result;

// switch case for each of the operations

switch(operator)

{

case '+' :

result=first+second;

break;

case '-' :

result=first-second;

break;

case '*' :

result=first*second;

break;

case '/' :

result=first/second;

break;

//operator doesn't match an case constant (+,-,*,/)

default:

System.out.println("Error! operator is not correct");

// return 0;

}

//printing the result of the operations

System.out.println("%.1f %c %.1f= %.1f", first, operator, second, result );

}

}