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MITRE CWE

CWE-595 "Comparison of Object References Instead of Object Contents"

CWE-597 "Use of Wrong Operator in String Comparison"

The Elements of Java Style

Rule 79: Use equals(), not ==, to test for equality of objects

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[[FindBugs 2008

AA. Bibliography#FindBugs 08]]

ES: Comparison of String objects using == or !=

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[[JLS 2005

AA. Bibliography#JLS 05]]

[§3.10.5, "String Literals"

http://java.sun.com/docs/books/jls/third_edition/html/lexical.html#3.10.5]

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§5.6.2, "Binary Numeric Promotion"

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[[Rogue 2000

AA. Bibliography#Rogue 2000]]

Rule 79: Use equals(), not ==, to test for equality of objects

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