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Select the correct answerWhich of the following will ensure the thread will be in running state?Optionsyield()wait()Thread.killThread()notify()

Question

Select the correct answerWhich of the following will ensure the thread will be in running state?Optionsyield()wait()Thread.killThread()notify()

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Solution

The correct answer is notify().

Here's why:

  1. yield(): This method causes the currently executing thread object to temporarily pause and allow other threads to execute.

  2. wait(): This method tells the calling thread to give up the monitor and go to sleep until some other thread enters the same monitor and calls notify().

  3. Thread.killThread(): This method does not exist in Java.

  4. notify(): This method wakes up a single thread that is waiting on this object's monitor. If any threads are waiting on this object, one of them is chosen to be awakened. The choice is arbitrary and occurs at the discretion of the implementation. So, this is the method that will ensure the thread will be in running state.

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Select the correct answerWhich of these method wakes up the first thread that called wait()?Optionsstart()notify()wake()notifyAll()

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