Java™ java.lang.instrument Package
Thejava.lang.instrument package provides aJava™ programming language API for tools to instrument Javaprogramming language applications -- for example, to monitor themor collect performance information. Tools usejava.lang.instrument to modify the class file thatdefines a class -- generally, by inserting into the byte-code ofmethods additional byte-code which will perform theinstrumentation.
java.lang.instrument was introduced in JDK™5.0.
API Specification
API Enhancements
- See theAPI Enhancements in JDK6 - An annotated list of API changes between the 5.0 and 6releases.
More Information
- JavaVirtual Machines Tool Interface - a native interface whichcan also perform instrumentation.
java.lang.managementpackage - the monitoring and management package, oftenuseful with instrumentation.