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 ...

A class is a blueprint for creating objects. An object is an instance of a class. A method is a function inside a class that performs an operation. The method signature includes the method name, ...

In this Java tutorial, you’ve learned how to use class field initializers and class initialization blocks to initialize classes, and how to use constructors, object field initializers, and ...

Contains an instance variable t with a value of 20. Contains a static nested class B with an instance variable t with a value of 10. Contains a non-static inner class C with an instance variable t ...

This post shows readers how to create an array in Java. Including: Array Lists, multidimensional arrays, maps, and more.

Will Java object serialization target the file-system? Will the Java object serialized across a network? Will the serialized Java object be delivered to an external system. In this case we will ...