Enum Class Thread.State
- All Implemented Interfaces:
-
Serializable
,Comparable<Thread.State>
,Constable
- Enclosing class:
- Thread
public static enum Thread.State extends Enum<Thread.State>
-
NEW
A thread that has not yet started is in this state. -
RUNNABLE
A thread executing in the Java virtual machine is in this state. -
BLOCKED
A thread that is blocked waiting for a monitor lock is in this state. -
WAITING
A thread that is waiting indefinitely for another thread to perform a particular action is 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 has exited is in this state.
A thread can be in only one state at a given point in time. These states are virtual machine states which do not reflect any operating system thread states.
- Since:
- 1.5
- See Also:
Nested Class Summary
Nested classes/interfaces declared in class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>>
Enum Constant Summary
Enum Constant | Description |
---|---|
BLOCKED |
Thread state for a thread blocked waiting for a monitor lock. |
NEW |
Thread state for a thread which has not yet started. |
RUNNABLE |
Thread state for a runnable thread. |
TERMINATED |
Thread state for a terminated thread. |
TIMED_WAITING |
Thread state for a waiting thread with a specified waiting time. |
WAITING |
Thread state for a waiting thread. |
Method Summary
Modifier and Type | Method | Description |
---|---|---|
static Thread.State |
valueOf |
Returns the enum constant of this class with the specified name. |
static Thread.State[] |
values() |
Returns an array containing the constants of this enum class, in the order they are declared. |
Enum Constant Details
NEW
public static final Thread.State NEW
RUNNABLE
public static final Thread.State RUNNABLE
BLOCKED
public static final Thread.State BLOCKED
Object.wait
.WAITING
public static final Thread.State WAITING
-
Object.wait
with no timeout -
Thread.join
with no timeout LockSupport.park
A thread in the waiting state is waiting for another thread to perform a particular action. For example, a thread that has called Object.wait()
on an object is waiting for another thread to call Object.notify()
or Object.notifyAll()
on that object. A thread that has called Thread.join()
is waiting for a specified thread to terminate.
TIMED_WAITING
public static final Thread.State TIMED_WAITING
Thread.sleep
-
Object.wait
with timeout -
Thread.join
with timeout LockSupport.parkNanos
LockSupport.parkUntil
TERMINATED
public static final Thread.State TERMINATED
Method Details
values
public static Thread.State[] values()
- Returns:
- an array containing the constants of this enum class, in the order they are declared
valueOf
public static Thread.State valueOf(String name)
- Parameters:
-
name
- the name of the enum constant to be returned. - Returns:
- the enum constant with the specified name
- Throws:
-
IllegalArgumentException
- if this enum class has no constant with the specified name -
NullPointerException
- if the argument is null
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Licensed under the GNU General Public License, version 2, with the Classpath Exception.
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https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Thread.State.html