assertionerror.html

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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 09:48:07 CST 2005 --><META http-equiv="Content-Type" content="text/html; charset=gb2312"><TITLE>AssertionError (Java 2 Platform SE 5.0)</TITLE><META NAME="keywords" CONTENT="java.lang.AssertionError class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){    parent.document.title="AssertionError (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 NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" 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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="ArrayStoreException.html" title="java.lang 中的类"><B>上一个类</B></A>&nbsp;&nbsp;<A HREF="Boolean.html" title="java.lang 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_2Flang_2FAssertionError.html" target="_top"><B>框架</B></A>  &nbsp;&nbsp;<A HREF="AssertionError.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="#methods_inherited_from_class_java.lang.Throwable">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;方法</FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">java.lang</FONT><BR>类 AssertionError</H2><PRE><A HREF="Object.html" title="java.lang 中的类">java.lang.Object</A>  <IMG SRC="../../resources/inherit.gif" ALT="继承者 "><A HREF="Throwable.html" title="java.lang 中的类">java.lang.Throwable</A>      <IMG SRC="../../resources/inherit.gif" ALT="继承者 "><A HREF="Error.html" title="java.lang 中的类">java.lang.Error</A>          <IMG SRC="../../resources/inherit.gif" ALT="继承者 "><B>java.lang.AssertionError</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>AssertionError</B><DT>extends <A HREF="Error.html" title="java.lang 中的类">Error</A></DL></PRE><P>抛出该异常指示某个断言失败。<p>此类提供七个单参数公共构造方法,确保通过以下调用返回的断言错误: <pre>     new AssertionError(<i>expression</i>) </pre>具有作为其详细消息的<i>表达式</i> 的<i>字符串转换</i>(这在<a href="../../../../../../../../java.sun.com/docs/books/jls/second_edition/html/j.title.doc.html">《<i>The Java Language Specification, Second Edition</i>》</a>的<a href="../../../../../../../../java.sun.com/docs/books/jls/second_edition/html/expressions.doc.html#40220">第 15.18.1.1 节</a>中已定义),而不管<i>表达式</i> 的类型是什么。<P><P><DL><DT><B>从以下版本开始:</B></DT>  <DD>JDK1.4</DD><DT><B>另请参见:</B><DD><A HREF="../../serialized-form.html#java.lang.AssertionError">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="AssertionError.html#AssertionError()">AssertionError</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;构造一个不带详细消息的 AssertionError。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="AssertionError.html#AssertionError(boolean)">AssertionError</A></B>(boolean&nbsp;detailMessage)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;构造一个具有从指定 <code>boolean</code> 中派生的详细消息的 AssertionError,该指定对象被转换为一个字符串,这在《<i>The Java Language Specification,Second Edition</i>》第 15.18.1.1 节中已定义。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="AssertionError.html#AssertionError(char)">AssertionError</A></B>(char&nbsp;detailMessage)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;构造一个具有从指定的 <code>char</code> 中派生的详细消息的 AssertionError,该指定对象被转换为一个字符串,这在《<i>The Java Language Specification,Second Edition</i>》第 15.18.1.1 节中已定义。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="AssertionError.html#AssertionError(double)">AssertionError</A></B>(double&nbsp;detailMessage)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;构造一个具有从 <code>double</code> 中派生的详细消息的 AssertionError,该指定对象被转换为一个字符串,这在《<i>The Java Language Specification,Second Edition</i>》第 15.18.1.1 节中已定义。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="AssertionError.html#AssertionError(float)">AssertionError</A></B>(float&nbsp;detailMessage)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;构造一个具有从 <code>float</code> 中派生的详细消息的 AssertionError,该指定对象被转换为一个字符串,这在《<i>The Java Language Specification,Second Edition</i>》第 15.18.1.1 节中已定义。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="AssertionError.html#AssertionError(int)">AssertionError</A></B>(int&nbsp;detailMessage)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;构造一个具有从指定的 <code>int</code> 中派生的详细消息的 AssertionError,该指定对象被转换为一个字符串,这在《<i>The Java Language Specification,Second Edition</i>》第 15.18.1.1 节中已定义。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="AssertionError.html#AssertionError(long)">AssertionError</A></B>(long&nbsp;detailMessage)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;构造一个具有从 <code>long</code> 中派生的详细消息的 AssertionError,该指定对象被转换为一个字符串,这在《<i>The Java Language Specification,Second Edition</i>》第 15.18.1.1 节中已定义。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="AssertionError.html#AssertionError(java.lang.Object)">AssertionError</A></B>(<A HREF="Object.html" title="java.lang 中的类">Object</A>&nbsp;detailMessage)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;构造一个具有从指定对象中派生的详细消息的 AssertionError,该对象被转换为一个字符串,这在《<i>The Java Language Specification,Second Edition</i>》第 15.18.1.1 节中已定义。</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>

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