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As a general rule, use the Object.equals() method to check whether two objects are abstractly equal to each other. Reserve use of the equality operators == and != for testing whether two references specifically refer to the same object. (This is reference equality.) Also see rule "MET13MET09-J. Classes that define an equals() method must also define a hashCode() method."
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<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="13827729c58c5d4f-721e5e28-42d743c2-9860929e-5a4fffe18378937b9ae8c698"><ac:plain-text-body><![CDATA[ | [[FindBugs 2008 | AA. Bibliography#FindBugs 08]] | ES: Comparison of String objects using == or != | ]]></ac:plain-text-body></ac:structured-macro> | |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="d1402c95bcdb45f6-0f5f5679-4d534f8d-bc5b839d-ba020367c38efbdf9679684d"><ac:plain-text-body><![CDATA[ | [[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] | ]]></ac:plain-text-body></ac:structured-macro> |
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