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Programmer's Guide to Java™ Certification, A: A Comprehensive Primer, Second Edition by Rolf W. Rasmussen, Khalid A. Mughal

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1. Basics of Java Programming

1.1 (d)

A method is an operation defining the behavior for a particular abstraction. Java implements abstractions, using classes that have properties and behavior. Behavior is dictated by the operations of the abstraction.

1.2 (b)

An object is an instance of a class. Objects are created from class definitions that implement abstractions. The objects that are created are concrete realizations of those abstractions.

1.3 (b)

The code marked with (2) is a constructor. A constructor in Java is declared like a method, except that the name is identical to the class name and it does not specify a return value.

1.4 (b) and (f)

Two objects and three reference variables are created by the code. Objects are typically created by ...

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