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Update pmd-java/src/main/resources/category/java/errorprone.xml

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Add reference to Effective Java
This commit is contained in:
Juan Martín Sotuyo Dodero
2021-07-10 16:41:20 -03:00
committed by GitHub
parent e9e31c6f92
commit 9b9ce19975
1 changed files with 2 additions and 0 deletions
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pmd-java/src/main/resources/category/java/errorprone.xml
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@ -2862,6 +2862,8 @@ public class Foo {
For any method that returns an collection (such as an array, Collection or Map), it is a better to return an empty one rather than a For any method that returns an collection (such as an array, Collection or Map), it is a better to return an empty one rather than a
null reference. This removes the need for null checking all results and avoids inadvertent null reference. This removes the need for null checking all results and avoids inadvertent
NullPointerExceptions. NullPointerExceptions.
See Effective Java, 3rd Edition, Item 54: Return empty collections or arrays instead of null
</description> </description>
<priority>1</priority> <priority>1</priority>
<properties> <properties>