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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_03) on Wed Nov 02 09:51:54 CST 2005 --><META http-equiv="Content-Type" content="text/html; charset=gb2312"><TITLE>AtomicIntegerArray (Java 2 Platform SE 5.0)</TITLE><META NAME="keywords" CONTENT="java.util.concurrent.atomic.AtomicIntegerArray class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){    parent.document.title="AtomicIntegerArray (Java 2 Platform SE 5.0)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="跳过导航链接"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A 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CLASS="NavBarCell1">    <A HREF="../../../../index-files/index-1.html"><FONT CLASS="NavBarFont1"><B>索引</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>帮助</B></FONT></A>&nbsp;</TD>  </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Java<sup><font size=-2>TM</font></sup>&nbsp;2&nbsp;Platform<br>Standard&nbsp;Ed. 5.0</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">&nbsp;<A HREF="AtomicInteger.html" title="java.util.concurrent.atomic 中的类"><B>上一个类</B></A>&nbsp;&nbsp;<A HREF="AtomicIntegerFieldUpdater.html" title="java.util.concurrent.atomic 中的类"><B>下一个类</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">  <A HREF="../../../../index.html@java_2Futil_2Fconcurrent_2Fatomic_2FAtomicIntegerArray.html" target="_top"><B>框架</B></A>  &nbsp;&nbsp;<A HREF="AtomicIntegerArray.html" target="_top"><B>无框架</B></A>  &nbsp;&nbsp;<SCRIPT type="text/javascript">  <!--  if(window==top) {    document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>所有类</B></A>');  }  //--></SCRIPT><NOSCRIPT>  <A HREF="../../../../allclasses-noframe.html"><B>所有类</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">  摘要:&nbsp;嵌套&nbsp;|&nbsp;字段&nbsp;|&nbsp;<A HREF="#constructor_summary">构造方法</A>&nbsp;|&nbsp;<A HREF="#method_summary">方法</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">详细信息:&nbsp;字段&nbsp;|&nbsp;<A HREF="#constructor_detail">构造方法</A>&nbsp;|&nbsp;<A HREF="#method_detail">方法</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">java.util.concurrent.atomic</FONT><BR>类 AtomicIntegerArray</H2><PRE><A HREF="../../../lang/Object.html" title="java.lang 中的类">java.lang.Object</A>  <IMG SRC="../../../../resources/inherit.gif" ALT="继承者 "><B>java.util.concurrent.atomic.AtomicIntegerArray</B></PRE><DL><DT><B>所有已实现的接口:</B> <DD>java.io.Serializable</DD></DL><HR><DL><DT><PRE>public class <B>AtomicIntegerArray</B><DT>extends <A HREF="../../../lang/Object.html" title="java.lang 中的类">Object</A><DT>implements java.io.Serializable</DL></PRE><P>可以用原子方式更新其元素的 <tt>int</tt> 数组。有关原子变量属性的描述,请参阅 <A HREF="package-summary.html"><CODE>java.util.concurrent.atomic</CODE></A> 包规范。<P><P><DL><DT><B>从以下版本开始:</B></DT>  <DD>1.5</DD><DT><B>另请参见:</B><DD><A HREF="../../../../serialized-form.html#java.util.concurrent.atomic.AtomicIntegerArray">序列化表格</A></DL><HR><P><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>构造方法摘要</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="AtomicIntegerArray.html#AtomicIntegerArray(int)">AtomicIntegerArray</A></B>(int&nbsp;length)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;创建给定长度的新 AtomicIntegerArray。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="AtomicIntegerArray.html#AtomicIntegerArray(int[])">AtomicIntegerArray</A></B>(int[]&nbsp;array)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;创建与给定数组具有相同长度的新 AtomicIntegerArray,并从给定数组复制其所有元素。</TD></TR></TABLE>&nbsp;<!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>方法摘要</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;int</CODE></FONT></TD><TD><CODE><B><A HREF="AtomicIntegerArray.html#addAndGet(int, int)">addAndGet</A></B>(int&nbsp;i,          int&nbsp;delta)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;以原子方式将给定值与索引 <tt>i</tt> 的元素相加。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;boolean</CODE></FONT></TD><TD><CODE><B><A HREF="AtomicIntegerArray.html#compareAndSet(int, int, int)">compareAndSet</A></B>(int&nbsp;i,              int&nbsp;expect,              int&nbsp;update)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;如果当前值 <tt>==</tt> 预期值,则以原子方式将该值设置为给定的更新值。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;int</CODE></FONT></TD><TD><CODE><B><A HREF="AtomicIntegerArray.html#decrementAndGet(int)">decrementAndGet</A></B>(int&nbsp;i)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;以原子方式将索引 <tt>i</tt> 的元素减 1。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;int</CODE></FONT></TD><TD><CODE><B><A HREF="AtomicIntegerArray.html#get(int)">get</A></B>(int&nbsp;i)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;获取位置 <tt>i</tt> 的当前值。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;int</CODE></FONT></TD><TD><CODE><B><A HREF="AtomicIntegerArray.html#getAndAdd(int, int)">getAndAdd</A></B>(int&nbsp;i,          int&nbsp;delta)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;以原子方式将给定值与索引 <tt>i</tt> 的元素相加。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;int</CODE></FONT></TD><TD><CODE><B><A HREF="AtomicIntegerArray.html#getAndDecrement(int)">getAndDecrement</A></B>(int&nbsp;i)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;以原子方式将索引 <tt>i</tt> 的元素减 1。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;int</CODE></FONT></TD><TD><CODE><B><A HREF="AtomicIntegerArray.html#getAndIncrement(int)">getAndIncrement</A></B>(int&nbsp;i)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;以原子方式将索引 <tt>i</tt> 的元素加 1。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;int</CODE></FONT></TD><TD><CODE><B><A HREF="AtomicIntegerArray.html#getAndSet(int, int)">getAndSet</A></B>(int&nbsp;i,          int&nbsp;newValue)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;将位置 <tt>i</tt> 的元素设置为给定值,并返回旧值。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;int</CODE></FONT></TD><TD><CODE><B><A HREF="AtomicIntegerArray.html#incrementAndGet(int)">incrementAndGet</A></B>(int&nbsp;i)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;以原子方式将索引 <tt>i</tt> 的元素加 1。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;int</CODE></FONT></TD><TD><CODE><B><A HREF="AtomicIntegerArray.html#length()">length</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;返回该数组的长度。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;void</CODE></FONT></TD><TD><CODE><B><A HREF="AtomicIntegerArray.html#set(int, int)">set</A></B>(int&nbsp;i,    int&nbsp;newValue)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;将位置 <tt>i</tt> 的元素设置为给定值。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;<A HREF="../../../lang/String.html" title="java.lang 中的类">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="AtomicIntegerArray.html#toString()">toString</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;返回数组当前值的字符串表示形式。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;boolean</CODE></FONT></TD><TD><CODE><B><A HREF="AtomicIntegerArray.html#weakCompareAndSet(int, int, int)">weakCompareAndSet</A></B>(int&nbsp;i,                  int&nbsp;expect,                  int&nbsp;update)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;如果当前值 <tt>==</tt> 预期值,则以原子方式将该值设置为给定的更新值。</TD></TR></TABLE>&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>从类 java.lang.<A HREF="../../../lang/Object.html" title="java.lang 中的类">Object</A> 继承的方法</B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../lang/Object.html#clone()">clone</A>, <A HREF="../../../lang/Object.html#equals(java.lang.Object)">equals</A>, <A HREF="../../../lang/Object.html#finalize()">finalize</A>, <A HREF="../../../lang/Object.html#getClass()">getClass</A>, <A HREF="../../../lang/Object.html#hashCode()">hashCode</A>, <A HREF="../../../lang/Object.html#notify()">notify</A>, <A HREF="../../../lang/Object.html#notifyAll()">notifyAll</A>, <A HREF="../../../lang/Object.html#wait()">wait</A>, <A HREF="../../../lang/Object.html#wait(long)">wait</A>, <A HREF="../../../lang/Object.html#wait(long, int)">wait</A></CODE></TD></TR></TABLE>&nbsp;<P><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>构造方法详细信息</B></FONT></TH></TR></TABLE><A NAME="AtomicIntegerArray(int)"><!-- --></A><H3>AtomicIntegerArray</H3><PRE>public <B>AtomicIntegerArray</B>(int&nbsp;length)</PRE><DL><DD>创建给定长度的新 AtomicIntegerArray。<P><DL><DT><B>参数:</B><DD><CODE>length</CODE> - 该数组的长度</DL></DL><HR><A NAME="AtomicIntegerArray(int[])"><!-- --></A><H3>AtomicIntegerArray</H3><PRE>public <B>AtomicIntegerArray</B>(int[]&nbsp;array)</PRE><DL><DD>创建与给定数组具有相同长度的新 AtomicIntegerArray,并从给定数组复制其所有元素。<P><DL><DT><B>参数:</B><DD><CODE>array</CODE> - 从中复制元素的数组<DT><B>抛出:</B><DD><CODE><A HREF="../../../lang/NullPointerException.html" title="java.lang 中的类">NullPointerException</A></CODE> - 如果数组为 null</DL>

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