Programmer's Guide to Java™ Certification, A: A Comprehensive Primer, Second Edition

1.3. Objects

Class Instantiation

The process of creating objects from a class is called instantiation. An object is an instance of a class. The object is constructed using the class as a blueprint and is a concrete instance of the abstraction that the class represents. An object must be created before it can be used in a program. In Java, objects are manipulated through object references (also called reference values or simply references). The process of creating objects usually involves the following steps:

1.	Declaration of a variable to store the object reference. This involves declaring a reference variable of the appropriate class to store the reference to the object. // Declaration of two reference variables that will denote // two distinct ...