Which method must appear in the class to satisfy the Runnable interface requirements. : Questions « Thread « SCJP

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7.11.25.Which method must appear in the class to satisfy the Runnable interface requirements.

A.      public void start()

   B.      public void run()

   C.      public void stop()

   D.      public void suspend()

7.11.Questions
	7.11.1.	The notify() method is defined in class java.lang.Thread(True/False)
	7.11.2.	Answer: notify
	7.11.3.	When a thread is waiting as a result of wait(), it releases its lock(True/False)
	7.11.4.	Answer: wait() and lock
	7.11.5.	The notify() method causes a thread to immediately release its lock(True/False)
	7.11.6.	Answer: notify and lock(2)
	7.11.7.	notifyAll() notifies all waiting threads, regardless of the object they're waiting on(True/False)
	7.11.8.	Answer: notifyAll and waiting threads
	7.11.9.	What is the result of this code(wait and time)?
	7.11.10.	Answer: wait and time
	7.11.11.	What is the result(extends Thread)?
	7.11.12.	Answer: extends Thread
	7.11.13.	What is the output(two threads)?
	7.11.14.	Answer: two threads
	7.11.15.	What is the output(joining thread)?
	7.11.16.	Answer: joining thread
	7.11.17.	What is the output(synchronized block and thread)?
	7.11.18.	Answer: synchronized block and thread
	7.11.19.	The following code will start the garbage collection mechanism(True/False)?
	7.11.20.	Answer: System.gc() and garbage collection
	7.11.21.	Calling Runtime.getRuntime().gc() will probably start the garbage collection mechanism, but there is no guarantee(True/False)?
	7.11.22.	Answer: Runtime.getRuntime().gc() and garbage collection
	7.11.23.	The garbage collection Thread has a low priority(True/False)?
	7.11.24.	Answer: garbage collection and thread
	7.11.25.	Which method must appear in the class to satisfy the Runnable interface requirements.
	7.11.26.	Answer: Runnable interface
	7.11.27.	Which statements are correct after executing the following line:
	7.11.28.	Answer: thread state
	7.11.29.	What could be put to XXX to prevent Thread collisions?
	7.11.30.	Answers: synchronized and synchronizable

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