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1-
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What is the name of the method used to start a thread execution?
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A -
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init();
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B -
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start();
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C -
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run();
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D -
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resume();
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2-
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Which two are valid constructors for Thread?
- Thread(Runnable r, String name)
- Thread()
- Thread(int priority)
- Thread(Runnable r, ThreadGroup g)
- Thread(Runnable r, int priority)
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A -
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1 and 3
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B -
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2 and 4
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C -
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1 and 2
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D -
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2 and 5
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3-
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Which three are methods of the Object class?
- notify();
- notifyAll();
- isInterrupted();
- synchronized();
- interrupt();
- wait(long msecs);
- sleep(long msecs);
- yield();
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A -
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1, 2, 4
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B -
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2, 4, 5
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C -
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1, 2, 6
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D -
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2, 3, 4
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4-
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class X implements Runnable
{
public static void main(String args[])
{
/* Missing code? */
}
public void run() {}
}
Which of the following line of code is suitable to start a thread ?
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A -
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Thread t = new Thread(X);
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B -
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Thread t = new Thread(X); t.start();
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C -
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X run = new X(); Thread t = new Thread(run); t.start();
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D -
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Thread t = new Thread(); x.run();
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5-
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Which cannot directly cause a thread to stop executing?
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A -
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Calling read() method on an InputStream object.
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B -
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Calling notify() method on an object.
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C -
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Calling the wait() method on an object.
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D -
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Calling the SetPriority() method on a Thread object.
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6-
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Which two of the following methods are defined in class Thread?
- start()
- wait()
- notify()
- run()
- terminate()
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A -
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1 and 4
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B -
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2 and 3
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C -
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3 and 4
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D -
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2 and 4
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7-
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Which three guarantee that a thread will leave the running state?
- yield()
- wait()
- notify()
- notifyAll()
- sleep(1000)
- aLiveThread.join()
- Thread.killThread()
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A -
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1, 2 and 4
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B -
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2, 5 and 6
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C -
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3, 4 and 7
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D -
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4, 5 and 7
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8-
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Which of the following will directly stop the execution of a Thread?
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A -
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wait()
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B -
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notify()
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C -
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notifyall()
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D -
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exits synchronized code
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9-
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Which method must be defined by a class implementing the java.lang.Runnable interface?
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A -
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void run()
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B -
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public void run()
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C -
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public void start()
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D -
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void run(int priority)
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10-
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Which will contain the body of the thread?
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A -
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run();
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B -
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start();
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C -
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stop();
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D -
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main();
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