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NullPointerException waiting to happen

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Tom Copeland

Posts: 486
Nickname: tcopeland
Registered: Nov, 2004

Tom Copeland is a junior developer.
NullPointerException waiting to happen Posted: Sep 14, 2006 12:27 PM
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Wouter Zelle has written another fine new rule for PMD; this one is a NullPointerException finder. Consider the following code snippet (from the JBoss source code tree, SecurityFlushSessionListener.java): if(principals != null || !principals.isEmpty()) { // do stuff} Since it's a...

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