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Setting local reference variables to null to "help the garbage collector" is unnecessary. It adds clutter to the code and can introduce subtle bugs. Java Just-In-Time compilers (JITs) can perform an equivalent liveness analysis; in fact, most implementations do this. A related bad practice is use of a finalizer to null out references. See rule "MET18-J. Avoid using finalizers" for additional details.
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<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="cce3933337294f9a-459c448f-4a34435a-ab7892bc-8ebf39f3e0e89c2447ae8505"><ac:plain-text-body><![CDATA[ | [[MITRE 2009 | AA. Bibliography#MITRE 09]] | [CWE-405 | http://cwe.mitre.org/data/definitions/405.html] "Asymmetric Resource Consumption (Amplification)" | ]]></ac:plain-text-body></ac:structured-macro> |
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<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="a3e9b7b795e3a579-311b1b65-40904365-bdc9b388-1a23262d2a37b0e6779f8f88"><ac:plain-text-body><![CDATA[ | [[API 2006 | AA. Bibliography#API 06]] | Class | ]]></ac:plain-text-body></ac:structured-macro> |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="c63b4f9588ed54bb-e8aebb92-40d342d3-aa33a4c7-25c7578d7e340d9154f3032c"><ac:plain-text-body><![CDATA[ | [[Bloch 2008 | AA. Bibliography#Bloch 08]] | Item 6: "Eliminate obsolete object references" | ]]></ac:plain-text-body></ac:structured-macro> |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="03a99cfa01f33133-6e4b4512-4bd74c74-ab53a1ad-0d40a458890acfa4839cd744"><ac:plain-text-body><![CDATA[ | [[Coomes 2007 | AA. Bibliography#Coomes 07]] | Garbage Collection Concepts and Programming Tips | ]]></ac:plain-text-body></ac:structured-macro> |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="f7a88e6411107436-e0a7996c-44524289-b8b6b5f0-28ab6db6aca86e8aab60ed7b"><ac:plain-text-body><![CDATA[ | [[Goetz 2004 | AA. Bibliography#Goetz 04]] | Java theory and practice: Garbage collection and performance | ]]></ac:plain-text-body></ac:structured-macro> |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="2c6e6d00aef24de7-41cd0b19-42624d25-a8c19425-7fb81940934898a6d67a6568"><ac:plain-text-body><![CDATA[ | [[Lo 2005 | AA. Bibliography#Lo 05]] | Security Issues in Garbage Collection | ]]></ac:plain-text-body></ac:structured-macro> |
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