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Fundamental Object-Oriented Concepts
UML Representation of Object-Oriented Concepts
Java Implementation of Object-Oriented Concepts
Algorithm Design and Implementation
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Client Technologies
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Section 2 - UML Representation of Object-Oriented Concepts
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Question 2-27
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krahans
Member
#
Posted: 20 Jun 2008 09:12
Reply
In this example the class Lclazz extends Jclazz. So Jclazz is the superclass.
And the right answer for a valid code snippet is:
Lclazz lclazz = new Jclazz();
But i think that this one is the right answer (because every Lclazz is a Jclazz, but not every Jclazz is a Lclazz!):
Jclazz jclazz = new Lclazz();
Ralf Peter Korte
Member
#
Posted: 26 Jun 2008 11:43
Reply
You're right !
Please have a look at the errata page
http://www.scja.de/ebook/errata.html
best regards,
Ralf Peter Korte
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About the Sun Certified Java Associate (SCJA) Exam
Section 1 - Fundamental Object-Oriented Concepts
Section 2 - UML Representation of Object-Oriented Concepts
Section 3 - Java Implementation of Object-Oriented Concepts
Section 4 - Algorithm Design and Implementation
Section 5 - Java Development Fundamentals
Section 6 - Java Platforms and Integration Technologies
Section 7 - Client Technologies
Section 8 - Server Technologies
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Fundamental Object-Oriented Concepts
|
UML Representation of Object-Oriented Concepts
|
Java Implementation of Object-Oriented Concepts
|
Algorithm Design and Implementation
Java Development Fundamentals
|
Java Platforms and Integration Technologies
|
Client Technologies
|
Server Technologies
SCJA - Sun Certified Java Associate
last modified : 7/24/2007 - 21:30
Copyright © 2007 Ralf Peter Korte