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Question 55   How can you make a thread sleep for infinite period

System.threading.timeout.infinite is used to make the waiting period infinite

ex - thread.sleep(system.threading.timeout.infinite)

Question 56   What is suspend and resume in threading .net

Thread.suspend will pause the execution of a thread. thread.resume is used to resume the execution of a suspended thread.

Question 57   What the way to stop a long running thread ?

Thread.abort() is used to stop a long running thread

Question 58   What is thread.join() in threading

Consider two threads t1 and t2 are running parallel. t1 calls t2.join(). at this point t1 will pause its execution and wait for t2 to complete. when t2 completes its execution t1 will resume.

there is one more method thread.join(int)

in this let’s say t1 calls t2.join(100). at this point t1 will pause its execution and wait for t2 to complete. but compared to the previous example t1 will wait only for 100 milliseconds. t1 will resume its execution after 100 milliseconds (even if t2 is executing)

Question 59   What are daemon threads and how can a thread be created as daemon

Threads which are executing in the background are known as daemon threads.
by setting thread.isbackground = true we can make it as a demon thread
a classic example of a daemon thread is garbage collector.

Question 60   How do you implement synchronization in threading

We can achieve synchronization by using the below methods

1) lock and synclock
2) monitors
3) wait handlers
4) mutex object
5) interlocked class
6) readwriterlock class

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