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2 cards from this section. Quick, good the night before a test.
What is reachability analysis?
Think of how garbage collectors find unused objects.
List one example of a GC Root.
Consider what types of variables exist during method calls.
What is the purpose of reachability analysis?
Consider what the data indicates about memory use.
True or False: An object is unreachable if it can be referenced from a GC Root.
Think about how references link objects together.
Explain how reachability analysis impacts performance in large-scale Java applications.
Consider the implications of memory management practices.
Design a small code snippet that illustrates an example of reachability and what happens when an object becomes unreachable.
Think about instance variables, and how you change their references.
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