Class java.util.TooManyListenersException - JDK 5 Documentation v1.1.8, Java 2 SDK 英文文档

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Class java.util.TooManyListenersException

java.lang.Object
   |
   +----java.lang.Throwable
           |
           +----java.lang.Exception
                   |
                   +----java.util.TooManyListenersException

public class TooManyListenersException
extends Exception

The TooManyListenersException Exception is used as part of the Java Event model to annotate and implement a unicast special case of a multicast Event Source.

The presence of a throws TooManyListenersException clause on any given concrete implementation of the normally multicast semantic void add < EventListenerType > () event listener registration pattern is used to annotate that interface as implementing a unicast Listener special case, that is, that one and only one Listener may be registered on the particular event listener source concurrently.

See Also:: EventObject, EventListener

TooManyListenersException(): Constructs a TooManyListenersException with no detail message.
TooManyListenersException(String): Constructs a TooManyListenersException with the specified detail message.

TooManyListenersException

 public TooManyListenersException()

Constructs a TooManyListenersException with no detail message. A detail message is a String that describes this particular exception.

TooManyListenersException

 public TooManyListenersException(String s)

Constructs a TooManyListenersException with the specified detail message. A detail message is a String that describes this particular exception.

Parameters:: s - the detail message

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