Integrated: 8358526: Clarify behavior of java.awt.HeadlessException constructed with no-args

[Phil Race]

On Wed, 18 Jun 2025 17:57:26 GMT, Phil Race <prr at openjdk.org> wrote:

> Clarify the behaviour of new HeadlessException().getMessage()
> The spec. is updated to be clear that empty means null, not an empty string.

This pull request has now been integrated.

Changeset: 81985d42
Author:    Phil Race <prr at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/81985d422d3a433c1248deec18e4fd9b9f780c2c
Stats:     52 lines in 2 files changed: 51 ins; 0 del; 1 mod

8358526: Clarify behavior of java.awt.HeadlessException constructed with no-args

Reviewed-by: aivanov, honkar

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PR: https://git.openjdk.org/jdk/pull/25881