Java™ java.lang.instrument Package
java.lang.instrument package provides a Java™
programming language API for tools to instrument
Java programming language applications -- for example, to
monitor them or collect performance information. Tools use
to modify the class file that defines a class -- generally, by inserting into the byte-code
of methods additional byte-code which will perform the instrumentation.
java.lang.instrument was introduced in JDK™ 5.0.
java.lang.managementpackage - the monitoring and management package, often useful with instrumentation.
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