Null pointer dereferencing occurs when a null
variable is treated as if it were a valid object or field and is used without checking its state. This condition results in a NullPointerException
, which could result in denial of service. For additional information, see the related guideline "EXC15ERR15-J. Do not catch NullPointerException."
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<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="bc34a77ad52676c7-681237db-4cb342e9-a2789e73-ef47bf569989bd07fa58f2a8"><ac:plain-text-body><![CDATA[ | [[API 2006 | AA. Bibliography#API 06]] | [method doPrivileged() | http://java.sun.com/javase/6/docs/api/java/security/AccessController.html#doPrivileged(java.security.PrivilegedAction)] | ]]></ac:plain-text-body></ac:structured-macro> |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="30035445bf66295a-beda3e41-4bce4f11-81beb70d-fe02146f8916181fdab0a23b"><ac:plain-text-body><![CDATA[ | [[Hovemeyer 2007 | AA. Bibliography#Hovemeyer 07]] |
| ]]></ac:plain-text-body></ac:structured-macro> | |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="a8a1e42a7d85d305-2f6ad5aa-4e8d4316-823b8ba2-b8df066ee2432e38d7cfbb05"><ac:plain-text-body><![CDATA[ | [[Reasoning 2003 | AA. Bibliography#Reasoning 03]] | Defect ID 00-0001 | ]]></ac:plain-text-body></ac:structured-macro> | |
| Null Pointer Dereference | ||||
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="5ec3d391ac51121a-1db5522c-4e7e4de8-8bba81f6-f75eb3a151ee033ef66e35b5"><ac:plain-text-body><![CDATA[ | [[SDN 2008 | AA. Bibliography#SDN 08]] | [Bug ID 6514454 | http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6514454] | ]]></ac:plain-text-body></ac:structured-macro> |
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