SEI CERT Oracle Coding Standard for Java

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changes.mady.by.user Shannon Haas

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changes.mady.by.user Fred Long

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Code Block
bgColor#FFcccc
class MutableClass {
  private Date[] date;

  public MutableClass() {
    date = new Date[20];
    for (int i = 0; i < date.length; i++) {
      date[i] = new Date();
    }
  }

  public Date[] getDate() {
    return date; // or return date.clone()
  }
}

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[[API 2006

AA. References#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="354db4746becd987-1380c640-48514f4f-bebb955e-57519d7b68557c1f594e906d"><ac:plain-text-body><![CDATA[

[[Bloch 2008

AA. References#Bloch 08]]

Item 39. Make defensive copies when needed

]]></ac:plain-text-body></ac:structured-macro>

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[[Goetz 2006

AA. References#Goetz 06]]

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

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[[Gong 2003

AA. References#Gong 03]]

9.4, Private Object State and Object Immutability

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[[Haggar 2000

AA. References#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>

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[[Security 2006

AA. References#Security 06]]

 

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