Complex Java programs, such as application servers, sometimes create their own class loaders using the URLClassLoader type. With URLClassLoader, applications can load classes and resources from a ...

Like many server applications, Tomcat installs a variety of class loaders (that is, classes that implement java.lang.ClassLoader) to allow different portions of the container, and the web ...

Java 5 added the Java Instrumentation mechanism, which allows you to provide “Java agents” that can inspect and modify the byte code of the classes as they are loaded.