Project Title

byte-buddy — Runtime code generation for the Java virtual machine

Overview

Byte Buddy is a powerful Java library that enables runtime code generation and manipulation, allowing developers to create and modify Java classes without the need for a compiler. It stands out for its ability to generate arbitrary classes and not just runtime proxies, offering a convenient API for class changes either manually, via a Java agent, or during a build process.

Key Features

Feature 1: Arbitrary class creation and modification at runtime
Feature 2: Support for Java versions from Java 5 onwards
Feature 3: Lightweight library with minimal dependencies

Use Cases

Use case 1: Library developers needing to interact with various Java versions
Use case 2: Dynamic class generation for testing frameworks
Use case 3: Implementing AOP (Aspect-Oriented Programming) in Java applications

Advantages

Advantage 1: Non-intrusive API that does not leave traces in generated classes
Advantage 2: High compatibility with a wide range of Java versions
Advantage 3: Easy-to-understand API that abstracts away bytecode complexities

Limitations / Considerations

Limitation 1: May require a steep learning curve for developers unfamiliar with bytecode manipulation
Limitation 2: Runtime code generation can introduce performance overhead

Project 1: ASM - A low-level bytecode manipulation and analysis framework that Byte Buddy depends on. ASM provides the visitor API that Byte Buddy uses for bytecode parsing.
Project 2: Javassist - Another bytecode manipulation library for Java, offering similar functionality to Byte Buddy but with a different API and approach to code generation.
Project 3: CGLIB - A code generation library that extends bytecode manipulation capabilities specifically for creating subclasses at runtime, often used for AOP implementations.

Basic Information

GitHub: https://github.com/raphw/byte-buddy
Stars: 6,669
License: Unknown
Last Commit: 2025-11-17

📊 Project Information

Project Name: byte-buddy
GitHub URL: https://github.com/raphw/byte-buddy
Programming Language: Java
⭐ Stars: 6,669
🍴 Forks: 835
📅 Created: 2013-11-25
🔄 Last Updated: 2025-11-17

🏷️ Project Topics

Topics: [, ", b, y, t, e, -, c, o, d, e, ", ,, , ", d, y, n, a, m, i, c, -, p, r, o, x, y, ", ,, , ", i, n, s, t, r, u, m, e, n, t, a, t, i, o, n, ", ,, , ", j, a, v, a, ", ,, , ", j, a, v, a, -, a, g, e, n, t, ", ,, , ", j, a, v, a, -, l, i, b, r, a, r, y, ", ,, , ", j, a, v, a, -, v, i, r, t, u, a, l, -, m, a, c, h, i, n, e, ", ]