[Chapter 17] EventListener

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| Chapter 17 The java.util Package |

# EventListener

## Name

EventListener

## Synopsis

Interface Name:

  `java.util.EventListener`

Super-interfaces:

  None

Immediate Sub-interfaces:

  `java.awt.event.ActionListener`,

  `java.awt.event.AdjustmentListener`,

  `java.awt.event.ComponentListener`,

  `java.awt.event.ContainerListener`,

  `java.awt.event.FocusListener`,

  `java.awt.event.ItemListener`,

  `java.awt.event.KeyListener`,

  `java.awt.event.MouseListener`,

  `java.awt.event.MouseMotionListener`,

  `java.awt.event.TextListener`,

  `java.awt.event.WindowListener`

Implemented by:

  None

Availability:

  New as of JDK 1.1

## Description

In order for instances of a class to receive events, the class must implement the `EventListener` interface. It is a semantic interface, meaning that it declares no methods. Classes do not normally implement the `EventListener` interface directly, but instead implement an interface that extends `EventListener`.

Prior to Java 1.1, events could only be delivered to AWT components. Java 1.1 introduces a new event model that allows events to be delivered to any object that implements a listener interface and registers to receive events from a particular source.

## Interface Declaration

    public abstract interface java.util.EventListener {
    }

## See Also

`ActionListener`, `AdjustmentListener`, `ComponentListener`, `ContainerListener`, `FocusListener`, `ItemListener`, `KeyListener`, `MouseListener`, `MouseMotionListener`, `TextListener`, `WindowListener`

Enumeration |  | EventObject