java.lang.Runnable翻译

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Runnable (Java 2 Platform SE v1.4.2)

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<H2>

java.lang

Interface Runnable</H2>

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<DT>All Known Implementing Classes: <DD><A HREF="../../javax/swing/text/AsyncBoxView.ChildState.html" title="class in javax.swing.text">AsyncBoxView.ChildState</A>, <A HREF="../../java/awt/image/renderable/RenderableImageProducer.html" title="class in java.awt.image.renderable">RenderableImageProducer</A>, <A HREF="../../java/lang/Thread.html" title="class in java.lang">Thread</A>, <A HREF="../../java/util/TimerTask.html" title="class in java.util">TimerTask</A></DD>

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<DT>public interface Runnable</DL>

The <code>Runnable</code> interface should be implemented by any

class whose instances are intended to be executed by a thread. The

class must define a method of no arguments called <code>run</code>.

任何打算实例由线程执行的类都应当实现Runnable接口，定义一个不含参数的run方法。

This interface is designed to provide a common protocol for objects that

wish to execute code while they are active. For example,

<code>Runnable</code> is implemented by class <code>Thread</code>.

Being active simply means that a thread has been started and has not

yet been stopped.

该接口被设计用来提供一种对象被激活时执行代码的通用方式。例如实现Runnable的类Thread，

激活的概念可以简单定义为线程开始但还未结束。

In addition, <code>Runnable</code> provides the means for a class to be

active while not subclassing <code>Thread</code>. A class that implements

<code>Runnable</code> can run without subclassing <code>Thread</code>

by instantiating a <code>Thread</code> instance and passing itself in

as the target. In most cases, the <code>Runnable</code> interface should

be used if you are only planning to override the <code>run()</code>

method and no other <code>Thread</code> methods.

This is important because classes should not be subclassed

unless the programmer intends on modifying or enhancing the fundamental

behavior of the class.

另外，Runnable为非Thread子类的类提供了一种激活的方式。实现Runnable的类可以不继承Thread而实例化为Thread实例，将自身作为

运行目标。在大多数情况下，如果仅计划覆盖run()方法，而不需要其他的Thread方法时应当使用Runnable接口。重要的是

这些类没有继承除非程序员打算修改或者改进该类的基本行为。

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<DT>Since:</DT>

<DT>See Also:<DD><A HREF="../../java/lang/Thread.html" title="class in java.lang"><CODE>Thread</CODE></A></DL>

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Method Summary</TD>

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When an object implementing interface <code>Runnable</code> is used

to create a thread, starting the thread causes the object's

<code>run</code> method to be called in that separately executing

thread.实现Runnable接口的对象被用来创建一个线程，单独执行的线程调用该对象的run方法来启动线程。</TD>

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run</H3>

<PRE>

public void run()</PRE>

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<DD>When an object implementing interface <code>Runnable</code> is used

to create a thread, starting the thread causes the object's

<code>run</code> method to be called in that separately executing

thread.

实现Runnable接口的对象被用来创建一个线程，单独执行的线程调用该对象的run方法来启动线程。

The general contract of the method <code>run</code> is that it may

take any action whatsoever.

通常约定run方法可以执行任何动作。

<DT>See Also:<DD><A HREF="../../java/lang/Thread.html#run()"><CODE>Thread.run()</CODE></A></DL>

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