Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications ... array to a method or constructor. To use varargs, declare the method or ...

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 ...

hopefully this has helped illustrate how you might actually use objects and classes in practice. For those actually starting to play with Java, maybe it will help phrases like ‘this’ seem a ...

In my previous article, I described how to use Java’s reference objects, SoftReferenceand WeakReference, to build weak references and mark blocks as reclaimable in a simple application.

Data Access Objects (DAO) is a popular design pattern for building the persistence layer of a J2EE application. Developers use this design pattern primarily to separate their JDBC code from business ...