## 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 | 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.