Which two statements are true for any concrete class implementing the java lang runnable interface

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Valentin Munteanu

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• (2) and (6). When a thread's run() method completes, the thread will die. The run() method must be declared public void and not take any arguments. (1) is incorrect because classes can never extend interfaces. (3) is incorrect because the run() method is typically not empty; if it were, the thread would do nothing. (4) is incorrect because the mandatory method is run(). (5) is incorrect because the class implements Runnable.

Exercise :: Declarations and Access Control - Pointing out the correct statements

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