java.lang.ref: A collection of reference-related language classes, such as SoftReference and ReferenceQueue, organized in the ref sub-subpackage of the java package’s lang subpackage ...

Java supports class reuse through inheritance and composition. This two-part tutorial teaches you how to use inheritance in your Java programs. What you’ll learn in this Java tutorial ...

He has led software development projects to build enterprise-class software applications and has extensive experience with Java and Perl. He is the author of several Java books, including one called ...

Dynamic loading of Java classes at runtime provides tremendous flexibility in the development of enterprise systems. It provides for the basis of "application servers", and allows even simpler, ...

The java.util.concurrent.Executors class provides factory methods for creating thread pools. Using a thread pool can improve performance by reusing threads rather than creating new ones for each task.