How does Thread.interrupted() work in java?

Question

Thread.interrupted() is static method. Then how it is able to modify the interrupted flag of instance objects?

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This question is not duplicate of

• How exactly does Thread.interrupt() and Thread.interrupted() work?
• What does java.lang.Thread.interrupt() do?

because they don't address the question mentioned in the description of this post.

Answer 1

Modulo some details, it looks like you could write your own Thread.interrupted() as essentially:

static boolean interrupted ( ) {
    Thread me = Thread.currentThread();
    return me.isInterrupted();
}

So the real question is how does the static function Thread.currentThread() find the current thread? This appears to be a bit of an unsolved mystery: How does Thread.currentThread() work? :) Serious answer: it's specific to the JVM and how threads are implemented.