What are thread scheduler and time slicing?


Thread scheduler is an operating system service that allocates CPU time to threads in runnable state.
Once we create a thread and start it, its execution depends on the implementation of the thread scheduler. In the same problem, thread scheduling is not controlled by Java virtual machine, so it is better to control it by application program (that is, don’t let your program depend on thread priority).
Time slicing is the process of allocating available CPU time to available runnable threads. CPU time can be allocated based on thread priority or thread wait time.

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