Java Bytecode Manipulation

4 Bytecode Manipulation libraries and projects

• Byte Buddy

  7.1 9.4 L2 Java

  Further simplifies bytecode generation with a fluent API.

• Javassist

  6.8 4.9 L2 Java

  Tries to simplify the editing of bytecode.

• Byteman

  3.8 6.6 L1 Java

  Manipulate bytecode at runtime via DSL (rules) mainly for testing/troubleshooting.

• ASM

  - -

  All purpose, low level, bytecode manipulation and analysis.

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Popular Comparisons

• Javassist
  vs
  Byte Buddy
• ASM
  vs
  Javassist
• Javassist
  vs
  Byteman
• Byteman
  vs
  Byte Buddy