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 ...

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 ...

Java object serialization is a feature of the JDK that is far too often overlooked. When a developer puts together a prototype or cooks up a proof of concept, simply saving a serialized Java object to ...

Loitering Objects and Java Framework Design. By Leonard Slipp ; February 5, 2001; ONE OF THE key objectives early in the design of Java was to create an environment that eliminated the memory ...

Java is the primary language used to create Android apps. Java, you may have heard, is an ‘object oriented’ programming language. But what precisely does that mean?

In Java, objects are passed by reference, and all methods are virtual, so object slicing will not occur inadvertently. Even if you upcast an object, its real type is not forgotten, that's the ...