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Sun Certification Training Guide (310-025, 310-027): Java™ 2 Programmer and Developer Exams
by Jamie Jaworski
June 2002
Intermediate to advanced
704 pages
15h 6m
English
Content preview from Sun Certification Training Guide (310-025, 310-027): Java™ 2 Programmer and Developer Exams
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Chapter 7. Garbage Collection
OBJECTIVES
This chapter helps you prepare for the exam by covering the following objectives from the “Garbage Collection” section of the Sun testing objectives.
State the behavior that is guaranteed by the garbage collection system and write code that explicitly makes objects eligible for collection.
Several exam questions require you to know when an object is no longer being referenced and can be garbage collected. You will be required to examine examples of program code and identify specific points within the code where an object becomes subject to garbage collection.
OUTLINE
What Is Garbage Collection? 169
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