Added in API level 1

Void

public final class Void
extends Object

java.lang.Object
   ↳ java.lang.Void


The Void class is an uninstantiable placeholder class to hold a reference to the Class object representing the Java keyword void.

Fields

public static final Class<Void> TYPE

The Class object representing the pseudo-type corresponding to the keyword void.

Inherited methods

Object clone()

Creates and returns a copy of this object.

boolean equals(Object obj)

Indicates whether some other object is "equal to" this one.

void finalize()

Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.

final Class<?> getClass()

Returns the runtime class of this Object.

int hashCode()

Returns a hash code value for the object.

final void notify()

Wakes up a single thread that is waiting on this object's monitor.

final void notifyAll()

Wakes up all threads that are waiting on this object's monitor.

String toString()

Returns a string representation of the object.

final void wait(long timeoutMillis, int nanos)

Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

final void wait(long timeoutMillis)

Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

final void wait()

Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

Fields

TYPE

Added in API level 1
public static final Class<Void> TYPE

The Class object representing the pseudo-type corresponding to the keyword void.