Java Four Calculation Double Number

This tutorial describe how to do four calculation (addition, substraction, multiplication and division) in java using a simple example that can be created and run by Notepad, Geany, Sublime Text, Eclipse , Netbean …

Code Tested on :

Oracle JDK 8
Sublime Text 3
Windows 7
AMD A4 quadcore with 4GB of RAM
Compiling using command line with command prompt

Java Four Calculation Double Screen shot

Java Four Calculation Double Number Script

Create a file called MathFour.java using code below
and run in Command promt
javac MathFour.java java MathFour

Full Code

[java]
import java.io.*;
/*
Created By Sanjay
Difficulty : Beginner Level
Description : It will take two input and and output 4 result
addition, substraction, multiplication and division
*/
class MathFour{
public static void main(String args[]) throws Exception {
double a,b;
double add,sub,multi,div;
InputStreamReader is=new InputStreamReader(System.in);
BufferedReader x=new BufferedReader(is);
System.out.println(“Enter First No. : “);
a=Double.parseDouble(x.readLine());
System.out.println(“Enter Second No. : “);
b=Double.parseDouble(x.readLine());
add=a+b;
System.out.println(“Addition : “+ add);
sub=a-b;
System.out.println(“Substration : “+ sub);
multi=a*b;
System.out.println(“Multiplication : “+ multi);
div=a/b;
System.out.println(“Division : “+ div);
}
}
[/java]