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Composition offers encapsulation benefits, usually with minimal overhead. Refer to rule OBJ13 OBJ02-J. Preserve dependencies in subclasses when changing superclasses for more information on composition.
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<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="6105d814d066fdfc-79f2f3a9-4ec74352-9a87a30d-328238c11c1e42dd9b201035"><ac:plain-text-body><![CDATA[ | [[JavaThreads 2004 | AA. Bibliography#JavaThreads 04]] | 8.2 "Synchronization and Collection Classes" | ]]></ac:plain-text-body></ac:structured-macro> |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="b1e4bde4e73a5f70-c5862ecc-4bdb4683-8c5b9e67-4016e8acbf786954bb54367e"><ac:plain-text-body><![CDATA[ | [[Goetz 2006 | AA. Bibliography#Goetz 06]] | 4.4.1. Client-side Locking, 4.4.2. Composition and 5.2.1. ConcurrentHashMap | ]]></ac:plain-text-body></ac:structured-macro> |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="493fead109649bb8-eefbb957-451545b9-b26ebeb4-48ea2be2242b0aa8bb5e5355"><ac:plain-text-body><![CDATA[ | [[Lee 2009 | AA. Bibliography#Lee 09]] | "Map & Compound Operation" | ]]></ac:plain-text-body></ac:structured-macro> |
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