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 ...

Most Java developers who come from a C/C++ background have probably at one time wished for a Java equivalent of sizeof(). Although Java lacks a true sizeof() equivalent, the Instrumentation interface ...

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

Java provides a way for the programmer to exercise control over memory management by marking certain objects as expendable via reference objects. Should an application’s memory requirements quickly ...

A Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a string is immutable -- its ...