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Java 6 Illuminated: An Active Learning Approach, 2nd Edition
book

Java 6 Illuminated: An Active Learning Approach, 2nd Edition

by Julie Anderson, Herve J. Franceschi
February 2008
Intermediate to advanced content levelIntermediate to advanced
1288 pages
39h 39m
English
Jones & Bartlett Learning
Content preview from Java 6 Illuminated: An Active Learning Approach, 2nd Edition
10.2 Inheritance Design 663
10.2.2 Subclass Constructors
Although constructors are public, they are not inherited by subclasses. How-
ever, to initialize the private instance variables of the superclass, a subclass con-
structor can call a superclass constructor either implicitly or explicitly.
When a class extends another class, the default constructor of the subclass
automatically calls the default constructor of the superclass. This is called
implicit invocation. Athough we did not code any constructors in our
CheckingAccount class in Example 10.2, we were able to instantiate a
CheckingAccount object (with a 0.0 balance) because the Java compiler ...
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Publisher Resources

ISBN: 9780763749637