suppresswarnings.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 09:50:03 CST 2005 --><META http-equiv="Content-Type" content="text/html; charset=gb2312"><TITLE>SuppressWarnings (Java 2 Platform SE 5.0)</TITLE><META NAME="keywords" CONTENT="java.lang.SuppressWarnings class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){    parent.document.title="SuppressWarnings (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" CELLPADDING="0" CELLSPACING="3" SUMMARY="">  <TR ALIGN="center" VALIGN="top">  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>概述</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>软件包</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>类</B></FONT>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="class-use/SuppressWarnings.html"><FONT CLASS="NavBarFont1"><B>使用</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>树</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>已过时</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" 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="StringIndexOutOfBoundsException.html" title="java.lang 中的类"><B>上一个类</B></A>&nbsp;&nbsp;<A HREF="System.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_2FSuppressWarnings.html" target="_top"><B>框架</B></A>  &nbsp;&nbsp;<A HREF="SuppressWarnings.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;<A HREF="#annotation_type_required_element_summary">必需</A>&nbsp;|&nbsp;可选</FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">详细信息:&nbsp;<A HREF="#annotation_type_element_detail">元素</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.lang</FONT><BR>注释类型 SuppressWarnings</H2><HR><DL><DT><PRE><FONT SIZE="-1"><A HREF="annotation/Target.html" title="java.lang.annotation 中的注释">@Target</A>(<A HREF="annotation/Target.html#value()">value</A>={<A HREF="annotation/ElementType.html#TYPE">TYPE</A>,<A HREF="annotation/ElementType.html#FIELD">FIELD</A>,<A HREF="annotation/ElementType.html#METHOD">METHOD</A>,<A HREF="annotation/ElementType.html#PARAMETER">PARAMETER</A>,<A HREF="annotation/ElementType.html#CONSTRUCTOR">CONSTRUCTOR</A>,<A HREF="annotation/ElementType.html#LOCAL_VARIABLE">LOCAL_VARIABLE</A>})<A HREF="annotation/Retention.html" title="java.lang.annotation 中的注释">@Retention</A>(<A HREF="annotation/Retention.html#value()">value</A>=<A HREF="annotation/RetentionPolicy.html#SOURCE">SOURCE</A>)</FONT>public @interface <B>SuppressWarnings</B></DL></PRE><P>指示应该在注释元素(以及包含在该注释元素中的所有程序元素)中取消显示指定的编译器警告。注意,在给定元素中取消显示的警告集是所有包含元素中取消显示的警告的超集。例如,如果注释一个类来取消显示某个警告,同时注释一个方法来取消显示另一个警告,那么将在此方法中同时取消显示这两个警告。<p>根据风格不同,程序员应该始终在最里层的嵌套元素上使用此注释,在那里使用才有效。如果要在特定的方法中取消显示某个警告,则应该注释该方法而不是注释它的类。<P><P><DL><DT><B>从以下版本开始:</B></DT>  <DD>1.5</DD></DL><HR><P><!-- =========== ANNOTATION TYPE REQUIRED MEMBER SUMMARY =========== --><A NAME="annotation_type_required_element_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>必需元素摘要</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;<A HREF="String.html" title="java.lang 中的类">String</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="SuppressWarnings.html#value()">value</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;将由编译器在注释的元素中取消显示的警告集。</TD></TR></TABLE>&nbsp;<P><!-- ============ ANNOTATION TYPE MEMBER DETAIL =========== --><A NAME="annotation_type_element_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>元素详细信息</B></FONT></TH></TR></TABLE><A NAME="value()"><!-- --></A><H3>value</H3><PRE>public abstract <A HREF="String.html" title="java.lang 中的类">String</A>[] <B>value</B></PRE><DL><DD>将由编译器在注释的元素中取消显示的警告集。允许使用重复的名称。忽略第二个和后面出现的名称。出现未被识别的警告名<i>不是</i> 错误:编译器必须忽略无法识别的所有警告名。但如果某个注释包含未被识别的警告名,那么编译器可以随意发出一个警告。<p>各编译器供应商应该将它们所支持的警告名连同注释类型一起记录。鼓励各供应商之间相互合作,确保在多个编译器中使用相同的名称。<P><DD><DL></DL></DD><DD><DL></DL></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" 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_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">  <TR ALIGN="center" VALIGN="top">  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>概述</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>软件包</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>类</B></FONT>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="class-use/SuppressWarnings.html"><FONT CLASS="NavBarFont1"><B>使用</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>树</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>已过时</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" 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="StringIndexOutOfBoundsException.html" title="java.lang 中的类"><B>上一个类</B></A>&nbsp;&nbsp;<A HREF="System.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_2FSuppressWarnings.html" target="_top"><B>框架</B></A>  &nbsp;&nbsp;<A HREF="SuppressWarnings.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;<A HREF="#annotation_type_required_element_summary">必需</A>&nbsp;|&nbsp;可选</FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">详细信息:&nbsp;<A HREF="#annotation_type_element_detail">元素</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR><font size="-1"><a 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