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MINOR: Collection/Option usage simplification via methods introduced in Java 9 or later #18305

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ijuma wants to merge 3 commits into apache:trunk from ijuma:immutable-collection-cleanups

+555 −734

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ijuma commented Dec 23, 2024

Relevant methods:

List.of, Set.of, Map.of and similar.
Optional: isEmpty, stream.
toList collector (only in modules that require Java 17).

Committer Checklist (excluded from commit message)

Verify design and implementation
Verify test coverage and CI build status
Verify documentation (including upgrade notes)

ijuma added 3 commits

December 23, 2024 08:05


          Simplify code via immutable collections introduced in Java 11

588fb1f


          Simplify Optional usage via methods introduced in Java 9-11.

79f160a


          Simplify code by using toList collector introduced in Java 16

7cc81c8

github-actions bot added triage streams core consumer tools connect performance kraft mirror-maker-2 storage tiered-storage KIP-932 generator clients labels

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ijuma commented Dec 23, 2024

Lots of test failures - will investigate them.

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