Java has always allows us to say "this class cannot be extended" by marking the class final. The existence of final in the language acknowledges a basic fact about classes: sometimes they are designed ...

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

Here's a quick look at the three types of class loaders and everything you need to know to work with them in your Java programs. Java class loaders are a component of the Java virtual machine (JVM) ...