8297750: Unnecessary Vector usage in IIORegistry

[turbanoff]

Field javax.imageio.spi.IIORegistry#initialCategories is modified only in static {} block, which makes it effectively final. Instead of legacy synchronized Vector we can use non-threadsafe ArrayList here.

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Issue

• JDK-8297750: Unnecessary Vector usage in IIORegistry

Reviewers

• Phil Race (@prrace - Reviewer)
• Sergey Bylokhov (@mrserb - Reviewer)

Reviewing

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[mlbridge]

Webrevs

• 00: Full (7303c5db)

[openjdk]

@turbanoff This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8297750: Unnecessary Vector usage in IIORegistry

Reviewed-by: prr, serb

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At the time when this comment was updated there had been 49 new commits pushed to the master branch:

• abe532a: 8296924: C2: assert(is_valid_AArch64_address(dest.target())) failed: bad address
• 5dcaf6c: 8297749: Remove duplicate space in the ProtocolException message being thrown from HttpURLConnection
• c7a679f: 8297290: Use int indices to reference CDS archived primitive mirrors
• 37f613b: 8297676: DataBuffer.TYPE_SHORT/TYPE_FLOAT/TYPE_DOUBLE are not placeholders
• 87f00f4: 8296878: Document Filter attached to JPasswordField and setText("") is not cleared instead inserted characters replaced with unicode null characters
• 9ced2ea: 8297311: Improve exception message thrown by java.net.HostPortrange::toLowerCase(String s)
• defe060: 8296905: Replace the native LCMS#getProfileID() method with the accessor
• e10778a: 8297695: Fix typos in test/langtools files
• 0ce1827: 8294321: Fix typos in files under test/jdk/java, test/jdk/jdk, test/jdk/jni
• e2d71c0: 8297481: Create a regression test for JDK-4424517
• ... and 39 more: https://git.openjdk.org/jdk/compare/2f83b5c487f112c175d081ca5882f5032518937a...master

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

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[turbanoff]

/integrate

[openjdk]

Going to push as commit fa0c599.
Since your change was applied there have been 79 commits pushed to the master branch:

• 34fcd83: 8297821: jdk/jshell/Test8294583.java fails on some platforms
• ce048e7: 8295006: Colored text is not shown on disabled checkbox and radio button with GTK LAF for bug4314194.
• 756dd5b: 8294942: Compiler implementation for Record Patterns (Second Preview)
• c612512: 8296660: Swing HTML table with omitted closing tags misparsed
• 56048f9: 8297852: Backout 8252584 for the time being
• f49acd5: 8297697: RISC-V: Add support for SATP mode detection
• 3b513a4: 8297802: display of @SPEC tags should mimic that of @see tags
• 4485d4e: 8297728: Cache invocation type rather than invoker in NamedFunction
• e9d501e: 8297519: Improve expressions and modernise code in PKCS
• 1722f9c: 8290231: java/foreign/malloc/TestMixedMallocFree.java crashed in JDK19 ATR run
• ... and 69 more: https://git.openjdk.org/jdk/compare/2f83b5c487f112c175d081ca5882f5032518937a...master

Your commit was automatically rebased without conflicts.

[openjdk]

@turbanoff Pushed as commit fa0c599.

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