## Uses of Class
java.lang.instrument.IllegalClassFormatException

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

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

    Methods in java.lang.instrument that throw IllegalClassFormatException
    Modifier and Type | Method | Description
    --- | --- | ---
    `default byte[]` | ClassFileTransformer.`transform​(ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer)` | Transforms the given class file and returns a new replacement class file.
    `default byte[]` | ClassFileTransformer.`transform​(Module module, ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer)` | Transforms the given class file and returns a new replacement class file.