On Tue, 14 Oct 2025 23:26:00 GMT, Shaojin Wen <[email protected]> wrote:
> This PR refactors the Double.toHexString method to improve its performance by > eliminating the use of StringBuilder and regex operations. The new > implementation uses a direct byte array approach to construct the hex string > representation, which avoids the overhead of StringBuilder operations and > regex pattern matching. > > Existing tests in `java/lang/Double/ToHexString.java`. This pull request has now been integrated. Changeset: 58623589 Author: Shaojin Wen <[email protected]> URL: https://git.openjdk.org/jdk/commit/586235896536cde293402167775d4d60f1426a9e Stats: 291 lines in 4 files changed: 157 ins; 101 del; 33 mod 8370013: Refactor Double.toHexString to eliminate regex and StringBuilder Reviewed-by: rgiulietti, darcy ------------- PR: https://git.openjdk.org/jdk/pull/27811
