Java Compiler Sandbox API

Overview

Java Compiler Sandbox API is a Spring Boot project that provides an online Java compiler through a RESTful API. It allows users to compile and execute Java code snippets securely and efficiently.

🌐 Live Demo: java-sandbox.sajit.me

🚀 Features

• Compile and execute Java code snippets
• Built-in rate-limiting using Bucket4j
• Caching support with Caffeine
• Ready for containerized deployment with Jib

🛠️ Building and Running the Project Locally

Clone the Repository

git clone https://github.com/sajitkhadka/online-java-compiler.git
cd online-java-compiler

Verify Installations

java -version
mvn -version

Build the Project

mvn clean install

Run the Application

mvn spring-boot:run

The application will be accessible at http://localhost:8080

Example API Request

Endpoint: POST /api/compile

Request Body:

{
    "code": "public class Main { public static void main(String[] args) { System.out.println(\"Hello, World!\"); } }"
}

Response:

{
    "output": "Hello, World!\n",
    "errors": "",
    "success": true
}

🐳 Dockerized Deployment

Prerequisites

• Docker installed and running

Build and Run Docker Image

# Build using Jib
mvn compile jib:dockerBuild

# Run the container
docker run -p 8080:8080 online-java-compiler:latest

🤝 Contributions

Contributions, issues, and feature requests are welcome!

Feel free to:

• Submit a pull request
• Create an issue on GitHub
• Provide feedback or suggestions