Java Thread States
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External
Internal
!!!Java Thread States
Overview
These states are virtual machine states which do not reflect any operating system thread states:
NEW
A thread that has not yet started.
RUNNABLE
A "RUNNABLE" thread may be using CPU or waiting for the results of an I/O operation.
BLOCKED
The thread is attempting to acquire a monitor lock that is currently being held by other thread.
WAITING
The thread called Object.wait(), released its all monitors and is waiting to be notified (by some other thread calling ) Object.notify()). The thread can be waiting indefinitely in this state.
TIMED_WAITING
A thread that is waiting for another thread to perform an action for up to a specified waiting time is in this state.
TERMINATED
A thread that exited.