CollectionUtils.size(Object object) has impossible null check
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Key: COLLECTIONS-318
URL: https://issues.apache.org/jira/browse/COLLECTIONS-318
Project: Commons Collections
Issue Type: Bug
Reporter: Sebb
Priority: Minor
CollectionUtils.size(Object object) has impossible null check:
{code}
public static int size(Object object) {
if (object == null) {
return 0;
}
...
} else if (object == null) {
throw new IllegalArgumentException("Unsupported object type: null");
...
{code}
The Javadoc specifically says that null is allowed, so I think the object ==
null clause needs to be removed - it can never be true, and is just confusing.
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