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Error (Java 2 Platform SE v1.4.2)

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SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#methods_inherited_from_class_java.lang.Throwable">METHOD</A></TD>

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<H2>

java.lang

Class Error</H2>

<PRE>

<A HREF="../../java/lang/Object.html" title="class in java.lang">java.lang.Object</A>

<IMG SRC="../../resources/inherit.gif" ALT="extended by"><A HREF="../../java/lang/Throwable.html" title="class in java.lang">java.lang.Throwable</A>

<IMG SRC="../../resources/inherit.gif" ALT="extended by">java.lang.Error

</PRE>

<DL>

<DT>All Implemented Interfaces: <DD><A HREF="../../java/io/Serializable.html" title="interface in java.io">Serializable</A></DD>

</DL>

<DL>

<DT>Direct Known Subclasses: <DD><A HREF="../../java/lang/AssertionError.html" title="class in java.lang">AssertionError</A>, <A HREF="../../java/awt/AWTError.html" title="class in java.awt">AWTError</A>, <A HREF="../../java/nio/charset/CoderMalfunctionError.html" title="class in java.nio.charset">CoderMalfunctionError</A>, <A HREF="../../javax/xml/parsers/FactoryConfigurationError.html" title="class in javax.xml.parsers">FactoryConfigurationError</A>, <A HREF="../../java/lang/LinkageError.html" title="class in java.lang">LinkageError</A>, <A HREF="../../java/lang/ThreadDeath.html" title="class in java.lang">ThreadDeath</A>, <A HREF="../../javax/xml/transform/TransformerFactoryConfigurationError.html" title="class in javax.xml.transform">TransformerFactoryConfigurationError</A>, <A HREF="../../java/lang/VirtualMachineError.html" title="class in java.lang">VirtualMachineError</A></DD>

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<DL>

<DT>public class Error<DT>extends <A HREF="../../java/lang/Throwable.html" title="class in java.lang">Throwable</A></DL>

An <code>Error</code> is a subclass of <code>Throwable</code>

that indicates serious problems that a reasonable application

should not try to catch. Most such errors are abnormal conditions.

The <code>ThreadDeath</code> error, though a "normal" condition,

is also a subclass of <code>Error</code> because most applications

should not try to catch it.

Error是Throwable的子类，表明正常应用中不能捕获的严重问题。大部分这样的错误

都是非正常条件下发生，ThreadDeath错误，尽管是“正常”条件，也是Error的子类因为大部分应用程序不应当

捕获它。

A method is not required to declare in its <code>throws</code>

clause any subclasses of <code>Error</code> that might be thrown

during the execution of the method but not caught, since these

errors are abnormal conditions that should never occur.

任何Error的子类不需要方法的throws子句中声明抛出，因为在执行该方法中

可以被抛出但不能被捕获，因为这些错误是在非正常条件下发生的。（原文有误）

<DL>

<DT>Since:</DT>

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

<A HREF="../../serialized-form.html#java.lang.Error">Serialized Form</A></DL>

<HR>

Constructor Summary</TD>

</TR>

<TD><CODE><A HREF="../../java/lang/Error.html#Error()">Error</A>()</CODE>

Constructs a new error with <code>null</code> as its detail message.

创建一个详细信息为null的Error。</TD>

</TR>

<TD><CODE><A HREF="../../java/lang/Error.html#Error(java.lang.String)">Error</A>(<A HREF="../../java/lang/String.html" title="class in java.lang">String</A> message)</CODE>

          Constructs a new error with the specified detail message.

创建一个指定详细信息的Error。</TD>

</TR>

<TD><CODE><A HREF="../../java/lang/Error.html#Error(java.lang.String, java.lang.Throwable)">Error</A>(<A HREF="../../java/lang/String.html" title="class in java.lang">String</A> message,

<A HREF="../../java/lang/Throwable.html" title="class in java.lang">Throwable</A> cause)</CODE>

          Constructs a new error with the specified detail message and

cause.创建一个指定详细信息和原由的Error。</TD>

</TR>

<TD><CODE><A HREF="../../java/lang/Error.html#Error(java.lang.Throwable)">Error</A>(<A HREF="../../java/lang/Throwable.html" title="class in java.lang">Throwable</A> cause)</CODE>

          Constructs a new error with the specified cause and a detail

message of <tt>(cause==null ? null : cause.toString())</tt> (which

typically contains the class and detail message of <tt>cause</tt>).

创建一个指定详细信息和原由(cause==null ? null : cause.toString())（通常包括cause的类和详细信息）的Error。</TD>

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<TD>Methods inherited from class java.lang.<A HREF="../../java/lang/Throwable.html" title="class in java.lang">Throwable</A></TD>

</TR>

<TD><CODE><A HREF="../../java/lang/Throwable.html#fillInStackTrace()">fillInStackTrace</A>, <A HREF="../../java/lang/Throwable.html#getCause()">getCause</A>, <A HREF="../../java/lang/Throwable.html#getLocalizedMessage()">getLocalizedMessage</A>, <A HREF="../../java/lang/Throwable.html#getMessage()">getMessage</A>, <A HREF="../../java/lang/Throwable.html#getStackTrace()">getStackTrace</A>, <A HREF="../../java/lang/Throwable.html#initCause(java.lang.Throwable)">initCause</A>, <A HREF="../../java/lang/Throwable.html#printStackTrace()">printStackTrace</A>, <A HREF="../../java/lang/Throwable.html#printStackTrace(java.io.PrintStream)">printStackTrace</A>, <A HREF="../../java/lang/Throwable.html#printStackTrace(java.io.PrintWriter)">printStackTrace</A>, <A HREF="../../java/lang/Throwable.html#setStackTrace(java.lang.StackTraceElement[])">setStackTrace</A>, <A HREF="../../java/lang/Throwable.html#toString()">toString</A></CODE></TD>

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<TD>Methods inherited from class java.lang.<A HREF="../../java/lang/Object.html" title="class in java.lang">Object</A></TD>

</TR>

<TD><CODE><A HREF="../../java/lang/Object.html#clone()">clone</A>, <A HREF="../../java/lang/Object.html#equals(java.lang.Object)">equals</A>, <A HREF="../../java/lang/Object.html#finalize()">finalize</A>, <A HREF="../../java/lang/Object.html#getClass()">getClass</A>, <A HREF="../../java/lang/Object.html#hashCode()">hashCode</A>, <A HREF="../../java/lang/Object.html#notify()">notify</A>, <A HREF="../../java/lang/Object.html#notifyAll()">notifyAll</A>, <A HREF="../../java/lang/Object.html#wait()">wait</A>, <A HREF="../../java/lang/Object.html#wait(long)">wait</A>, <A HREF="../../java/lang/Object.html#wait(long, int)">wait</A></CODE></TD>

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Constructor Detail</TD>

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Error</H3>

<PRE>

public Error()</PRE>

<DL>

<DD>Constructs a new error with <code>null</code> as its detail message.

The cause is not initialized, and may subsequently be initialized by a

call to <A HREF="../../java/lang/Throwable.html#initCause(java.lang.Throwable)"><CODE>Throwable.initCause(java.lang.Throwable)</CODE></A>.

创建一个详细信息为null的Error。cause没有被初始化，可以随后调用Throwable.initCause来初始化。

</DL>

<HR>

Error</H3>

<PRE>

public Error(<A HREF="../../java/lang/String.html" title="class in java.lang">String</A> message)</PRE>

<DL>

<DD>Constructs a new error with the specified detail message. The

cause is not initialized, and may subsequently be initialized by

a call to <A HREF="../../java/lang/Throwable.html#initCause(java.lang.Throwable)"><CODE>Throwable.initCause(java.lang.Throwable)</CODE></A>.

创建一个指定详细信息的Error。cause没有被初始化，可以随后调用Throwable.initCause来初始化。

<DT>Parameters:<DD><CODE>message</CODE> - the detail message. The detail message is saved for

later retrieval by the <A HREF="../../java/lang/Throwable.html#getMessage()"><CODE>Throwable.getMessage()</CODE></A> method.

详细信息，可以通过Throwable.getMessage()方法获得。</DL>

<HR>

Error</H3>

<PRE>

public Error(<A HREF="../../java/lang/String.html" title="class in java.lang">String</A> message,

<A HREF="../../java/lang/Throwable.html" title="class in java.lang">Throwable</A> cause)</PRE>

<DL>

<DD>Constructs a new error with the specified detail message and

cause. 创建一个指定详细信息和cause的Error。

Note that the detail message associated with

<code>cause</code> is not automatically incorporated in

this error's detail message.

注意和cause关联的详细信息不会自动和错误的详细信息合为一体。

<DT>Parameters:<DD><CODE>message</CODE> - the detail message (which is saved for later retrieval

by the <A HREF="../../java/lang/Throwable.html#getMessage()"><CODE>Throwable.getMessage()</CODE></A> method).

通过Throwable.getMessage()方法获得的详细信息。<DD><CODE>cause</CODE> - the cause (which is saved for later retrieval by the

<A HREF="../../java/lang/Throwable.html#getCause()"><CODE>Throwable.getCause()</CODE></A> method). (A <tt>null</tt> value is

permitted, and indicates that the cause is nonexistent or

unknown.)通过Throwable.getCause()方法获得的原由（原由为空是允许的，表明原由不存在或未知）。<DT>Since:</DT>

</DL>

<HR>

Error</H3>

<PRE>

public Error(<A HREF="../../java/lang/Throwable.html" title="class in java.lang">Throwable</A> cause)</PRE>

<DL>

<DD>Constructs a new error with the specified cause and a detail

message of <tt>(cause==null ? null : cause.toString())</tt> (which

typically contains the class and detail message of <tt>cause</tt>).

This constructor is useful for errors that are little more than

wrappers for other throwables.

创建一个指定详细信息和cause的Error(cause==null ? null : cause.toString())（通常包括cause的类和详细信息）。

此构造函数不比其他throwable的包装有用。

<DT>Parameters:<DD><CODE>cause</CODE> - the cause (which is saved for later retrieval by the

<A HREF="../../java/lang/Throwable.html#getCause()"><CODE>Throwable.getCause()</CODE></A> method). (A <tt>null</tt> value is

permitted, and indicates that the cause is nonexistent or

unknown.)通过Throwable.getCause()方法获得的原由（原由为空是允许的，表明原由不存在或未知）。<DT>Since:</DT>

</DL>

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<a href="http://java.sun.com/cgi-bin/bugreport.cgi">Submit a bug or feature</a> For further API reference and developer documentation, see <a href="../../../relnotes/devdocs-vs-specs.html">Java 2 SDK SE Developer Documentation</a>. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples. Copyright 2003 Sun Microsystems, Inc. All rights reserved. Use is subject to <a href="../../../relnotes/license.html">license terms</a>. Also see the <a href="http://java.sun.com/docs/redist.html">documentation redistribution policy</a>.

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