RFR: 8360045: StringTokenizer.hasMoreTokens() throws NPE after nextToken(null)

[Chen Liang]

On Mon, 23 Jun 2025 20:14:36 GMT, Naoto Sato <naoto at openjdk.org> wrote:

> Fixing the side-effect caused by calling `StringTokenizer.nextToken(null)`, where the delimiter is set to `null` even if the method throws an NPE.

Indeed, looking at the spec, we would anticipate an exception means no change has been committed to a StringTokenizer.

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Marked as reviewed by liach (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/25942#pullrequestreview-2951520968