Simple Calculator

This is a simple calculator application built with Java and Spring Boot. The application supports four basic operations: addition, subtraction, multiplication, and division via HTTP requests.

Project Structure

simple-calculator/
│
├── src/
│ ├── main/
│ │ ├── java/
│ │ │ └── com/
│ │ │ └── example/
│ │ │ ├── Calculator.java
│ │ │ ├── CalculatorController.java
│ │ │ └── SimpleCalculatorApplication.java
│ └── test/
│ ├── java/
│ │ └── com/
│ │ └── example/
│ │ ├── CalculatorTest.java
│
├── Dockerfile
├── docker-compose.yml
├── pom.xml
├── build.gradle
└── README.md

Build and Run with Maven

1. Build the project:

   mvn clean package

2. Run the application:

   java -jar target/simple-calculator-1.0-SNAPSHOT.jar

Build and Run with Gradle

1. Build the project:

   gradle build

2. Run the application:

   java -jar build/libs/simple-calculator-1.0-SNAPSHOT.jar

Run with Docker

1. Build the Docker image:

   docker-compose build

2. Run the Docker container:

   docker-compose up

The application will be available at http://localhost:8080.

API Endpoints

• Addition: GET /calculator/add?a={num1}&b={num2}
• Subtraction: GET /calculator/subtract?a={num1}&b={num2}
• Multiplication: GET /calculator/multiply?a={num1}&b={num2}
• Division: GET /calculator/divide?a={num1}&b={num2}

Testing

To run the tests:

• With Maven:

  mvn test

• With Gradle:

  gradle test