Uses of Interface java.lang.instrument.ClassFileTransformer (Java Platform SE 8 )
Date: 2026-06-25

## Uses of Interface
java.lang.instrument.ClassFileTransformer

- Packages that use ClassFileTransformer
  Package | Description
  --- | ---
  java.lang.instrument | Provides services that allow Java programming language agents to instrument programs running on the JVM.

- - ### Uses of ClassFileTransformer in java.lang.instrument

    Methods in java.lang.instrument with parameters of type ClassFileTransformer
    Modifier and Type | Method and Description
    --- | ---
    `void` | Instrumentation.`addTransformer(ClassFileTransformer transformer)` Registers the supplied transformer.
    `void` | Instrumentation.`addTransformer(ClassFileTransformer transformer, boolean canRetransform)` Registers the supplied transformer.
    `boolean` | Instrumentation.`removeTransformer(ClassFileTransformer transformer)` Unregisters the supplied transformer.
    `void` | Instrumentation.`setNativeMethodPrefix(ClassFileTransformer transformer, String prefix)` This method modifies the failure handling of native method resolution by allowing retry with a prefix applied to the name.

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