My Calculator API in Java

I just created a Calculator API in java. Here I am describing step by step.

Creating a java project

Creating a package

java package

Creating a java class under that package

Step 1: First of all I created a java project in eclipse and named it Calculator API. Then I created
a package and named it sagor.calculator.CalculatorAPI
Under this package I created a class and named it Calculator and did some method that a calculator consist. Such as addition, subtraction, multiplication, division, remainder, square root etc.


Step 2: I exported this project as jar file and save it on my drive. I saved it on my desktop.

Exporting that project

Exporting that project as JAR

Step 3: Then Created a new java project and under properties>Java Build path> Libraries uploaded this file as External jar file and hit ok.

Properties>java Build Path> Libraries

 Step 4: Now run this test code.