arrow

GH-39649: [Java][CI] Fix or suppress spurious errorprone warnings stage 2 (#39777)

### Rationale for this change

This PR is a continuation of errorprone warning fixes. 

### What changes are included in this PR?

Fixing warnings suggested by the errorpone module. 

- [x] Adapter
- [x] C
- [x] Format
- [x] Maven
- [x] Memory
- [x] Performance 

### Are these changes tested?

The existing test cases will be covering them. 

### Are there any user-facing changes?

No
* Closes: #39649

Lead-authored-by: Vibhatha Abeykoon <vibhatha@gmail.com>
Co-authored-by: Vibhatha Lakmal Abeykoon <vibhatha@gmail.com>
Co-authored-by: vibhatha <vibhatha@gmail.com>
Co-authored-by: Vibhatha Lakmal Abeykoon <vibhatha@users.noreply.github.com>
Co-authored-by: David Li <li.davidm96@gmail.com>
Signed-off-by: David Li <li.davidm96@gmail.com>