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A related error can arise when a programmer declares a static final reference to a mutable object; see guideline "OBJ02-J. Never conflate immutability of a reference with that of the referenced object" for additional information.
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According to [§13.4.9, "{{final}} Fields and Constants" |http://java.sun.com/docs/books/jls/third_edition/html/binaryComp.html#13.4.9] "{{final}} Fields and Constants" of the _Java Language Specification_ \[[JLS 2005|AA. Bibliography#JLS 05]\] |
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Exceptions
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*DCL04-EX0EX1*: According to [§9.3, "Field (Constant) Declarations" |http://java.sun.com/docs/books/jls/third_edition/html/interfaces.html#9.3] "Field (Constant) Declarations" of the _Java Language Specification_ \[[JLS 2005|AA. Bibliography#JLS 05]\], "Every field declaration in the body of an interface is implicitly {{public}}, {{static}}, and {{final}}. It is permitted to redundantly specify any or all of these modifiers for such fields." |
DCL04-EX1EX2: Constants declared using the enum type are permitted to violate this guideline.
DCL04-EX2EX3: Constants whose value never changes throughout the entire lifetime of the software may be declared as final. For instance, the Java Language Specification recommends that mathematical constants be declared final.
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C Secure Coding Standard: "DCL00-C. Const-qualify immutable objects"
Bibliography
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DCL03-J. Properly encode relationships in constant definitions 01. Declarations and Initialization (DCL) DCL05-J. Declare all enhanced for statement loop variables to be final