Math Calculator in Java

A simple math calculator program that I wrote in Java programming language.

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Program Listing

Math_Calculator.java

import java.util.*;

public class Math_Calculator {

    public static void main(String[] args){

    Scanner Input = new Scanner(System.in);

    System.out.println("Enter Number");

    System.out.println("1 - Addition");

    System.out.println("2 - Subtraction");

    System.out.println("3 - Division");

    System.out.println("4 - Multiplication");

    

    int choice = Input.nextInt();

    if(choice==1){

        System.out.println("Enter first number");

        double num1 = Input.nextDouble();

        System.out.println("Enter Second number");

        double num2 = Input.nextDouble();

        double sum = num1+num2;

        System.out.println("sum= " + sum);

        

        

        }

    else if(choice==2){

        System.out.println("Enter first number");

        double num1 = Input.nextDouble();

        System.out.println("Enter Second number");

        double num2 = Input.nextDouble();

        double difference = num1-num2;

        System.out.println("difference= " + difference);

        

       

        }

    else if(choice==3){

        System.out.println("Enter first number");

        double num1 = Input.nextDouble();

        System.out.println("Enter Second number");

        double num2 = Input.nextDouble();

        double qoutient = num1/num2;

        System.out.println("qoutient= " + qoutient);

        

        }

   else if(choice==4){

        System.out.println("Enter first number");

        double num1 = Input.nextDouble();

        System.out.println("Enter Second number");

        double num2 = Input.nextDouble();

        double product = num1*num2;

        System.out.println("product= " + product);

        }

       else{

            System.out.println("invalid");

       }

    }

}