suspend() method is deadlock prone. If the target
thread holds a lock on object when it is suspended, no thread can lock this
object until the target thread is resumed. If
the thread that would resume the target thread attempts to lock this monitor
prior to calling resume, deadlock results. These
deadlocks are generally called frozen processes.
suspend() method puts thread from running to waiting
state. And thread can go from waiting to runnable state only when resume()
method is called on thread. It is deprecated method.
resume() method is only used with suspend() method
that’s why it’s also deprecated method.
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