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This example is also more amenable to efficient garbage collection, as described in rule "OBJ11-J. Write garbage-collection-friendly code."
Exceptions
OBJ05-EX1EX0: When callers expose only unmodifiable views of an object to a method, the method may freely use the unmodifiable view without defensive copying. This decision should be made early in the design of the API. Note that new callers of such methods must also expose only unmodifiable views. (See rule "SEC14-J. Provide sensitive mutable classes with unmodifiable wrappers.")
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<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="d55c3148c31f11e8-ece51537-4b044550-a3eab072-c10ea9ad27b53fff0f393ecd"><ac:plain-text-body><![CDATA[ | [[API 2006 | AA. Bibliography#API 06]] | [method clone() | http://java.sun.com/javase/6/docs/api/java/lang/Object.html#clone()] | ]]></ac:plain-text-body></ac:structured-macro> |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="1d4bdf5879031603-ed276efe-41164ce5-b6a98380-f3488702d598870612062b32"><ac:plain-text-body><![CDATA[ | [[Bloch 2008 | AA. Bibliography#Bloch 08]] | Item 39: Make defensive copies when needed | ]]></ac:plain-text-body></ac:structured-macro> | |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="e223d88261ca108c-92bf3a1f-4d7549af-a7c2a20c-62798e28289eacaa9b0266ef"><ac:plain-text-body><![CDATA[ | [[Goetz 2006 | AA. Bibliography#Goetz 06]] | 3.2. Publication and Escape: Allowing Internal Mutable State to Escape | ]]></ac:plain-text-body></ac:structured-macro> | |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="b5e46f2077a9f7fc-34836e3d-405a4393-83fcbcfc-305f5793d17dba3b6ae4f5fe"><ac:plain-text-body><![CDATA[ | [[Gong 2003 | AA. Bibliography#Gong 03]] | 9.4 Private Object State and Object Immutability | ]]></ac:plain-text-body></ac:structured-macro> | |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="bd2998bc252c47d8-626a35e7-4bb34a82-aa73b38c-ee9e064607a1660acc27fbf1"><ac:plain-text-body><![CDATA[ | [[Haggar 2000 | AA. Bibliography#Haggar 00]] | [Practical Java Praxis 64: Use clone for Immutable Objects When Passing or Receiving Object References to Mutable Objects | http://www.informit.com/articles/article.aspx?p=20530] | ]]></ac:plain-text-body></ac:structured-macro> |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="d0cca45d2510cad0-13ba3dfb-4e5b4a47-988b927e-ff36366cf173d5ade5cea410"><ac:plain-text-body><![CDATA[ | [[Security 2006 | AA. Bibliography#Security 06]] |
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