SEI CERT Oracle Coding Standard for Java

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In returning a reference to the ht hash table, this example also hinders efficient garbage collection. See rule "OBJ11-J. Write garbage-collection-friendly code" for more information.

Compliant Solution (Shallow Copy)

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[[API 2006

AA. Bibliography#API 06]]

[method clone()

http://java.sun.com/javase/6/docs/api/java/lang/Object.html#clone()]

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[[Bloch 2008

AA. Bibliography#Bloch 08]]

Item 39: Make defensive copies when needed

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[[Goetz 2006

AA. Bibliography#Goetz 06]]

3.2. Publication and Escape: Allowing Internal Mutable State to Escape

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[[Gong 2003

AA. Bibliography#Gong 03]]

9.4 Private Object State and Object Immutability

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[[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]

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[[Security 2006

AA. Bibliography#Security 06]]

 

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