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Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Class TooManyListenersException - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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java.util
Class TooManyListenersException

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

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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 "void addXyzEventListener" 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, Serialized Form

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Constructor Summary

TooManyListenersException()           Constructs a TooManyListenersException with no detail message.

TooManyListenersException(String s)           Constructs a TooManyListenersException with the specified detail message.

 

Methods inherited from class java.lang.Throwable

fillInStackTrace, getLocalizedMessage, getMessage, printStackTrace, printStackTrace, printStackTrace, toString

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Constructor Detail

TooManyListenersException

public TooManyListenersException()

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

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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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