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 collection framework provides you with the complete architecture of objects. Java frameworks group of objects includes – classes, interfaces, and algorithm. Class – Everything in Java is ...

The class in this example only defines properties. It contains no explicitly defined Java constructors. When no explicitly defined constructors exist, Java's virtual machine makes object creation ...