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2024.3

Number comparison using '==', instead of 'equals()'

Warning
New
Last modified: 03 December 2024

Reports code that uses == or != instead of equals() to test for Number equality.

With auto-boxing, it is easy to make the mistake of comparing two instances of a wrapper type instead of two primitives, for example Integer instead of int.

Example:

If a is known to be non-null, then it's safe to apply the "unsafe" quick-fix and get the result similar to the following: