constants (static final fields) defined using wrapper types (for example, in org.apache.commons.lang.math.NumberUtils)

[Jens Dietrich <j....@massey.ac.nz>]

Hi,

I have a quick question regarding the use of constants in Apache Commons - in some classes/interfaces like org.apache.commons.lang.math.NumberUtils
some constants are defined using wrapper types and not primitive types. What are the reasons for this? 

The background of my question is that I am doing some research on binary vs source compatibility in Java. One such issue is constant inlining, and I try to find out whether engineers consciously use wrapper types to prevent inlining. 

Cheers, Jens
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