explain the life cycle of thread?
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Answer Posted / god&
There are five states New,Runnable,Running,Blocked,Dead
New state – After the creations of Thread instance the
thread is in this state but before the start() method
invocation. At this point, the thread is considered not
alive.
Runnable (Ready-to-run) state – A thread start its life
from Runnable state. A thread first enters runnable state
after the invoking of start() method but a thread can
return to this state after either running, waiting,
sleeping or coming back from blocked state also. On this
state a thread is waiting for a turn on the processor.
Running state – A thread is in running state that means the
thread is currently executing. There are several ways to
enter in Runnable state but there is only one way to enter
in Running state: the scheduler select a thread from
runnable pool.
Dead state – A thread can be considered dead when its run()
method completes. If any thread comes on this state that
means it cannot ever run again.
Blocked - A thread can enter in this state because of
waiting the resources that are hold by another thread.
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