Java Code Editor 2

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A modern, full-stack web application for writing, compiling, and running Java code directly in your browser. Built with React, Express, and Node.js.

🚀 Features

• Syntax-highlighted Java code editor (powered by Monaco/React)
• Real-time code compilation and output
• Error and runtime feedback
• Responsive, dynamic UI
• Secure backend code execution

✅ Why use Monaco ?

• It’s the same editor used in VS Code

Supports:

• Syntax highlighting

• Error checking

• Autocompletion (some)

• Themes (dark/light)

• Language-specific behaviors (Java, in our case)

🖥️ Preview

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🛠️ Getting Started

Prerequisites

• Node.js (v16+)
• Java JDK (v11+)

Installation

# Clone the repository
$ git clone https://github.com/joemrnice/java-code-editor-v2.git
$ cd java-code-editor-v2

# Install server dependencies
$ cd server && npm install

# Install client dependencies
$ cd ../web-client && npm install

Running the Application

# Start the backend server
$ cd server && npm run dev

# In a new terminal, start the frontend
$ cd ../web-client && npm run dev

Visit http://localhost:5173 to use the editor.

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📁 Project Structure

java-code-editor-v2/
├── server/         # Express backend for Java code execution
│   ├── app.js
│   ├── routes/
│   └── utils/
└── web-client/     # React frontend
    ├── src/
    └── public/

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🤝 Contributing

Pull requests are welcome! For major changes, please open an issue first to discuss what you would like to change.

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📄 License

MIT

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