Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

Here's everything you need to know about initializing Java classes and objects before executing them in the JVM.

This post explains how to use classes in Java to build objects and organize your code. Also learn: constructors, static methods, and more!

However, the Java Platform provides a data structure that greatly simplifies the use of reference objects like this, called the java.util.WeakHashMap class. WeakHashMap works exactly like a hash ...