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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Thu Apr 27 23:24:04 PDT 2000 --><TITLE>Java 2 Platform SE v1.3: Uses of Class java.security.Permission</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../java/security/Permission.html"><FONT CLASS="NavBarFont1"><B>Class</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Use</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-files/index-1.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Java<sup><font size=-2>TM</font></sup> 2 Platform<br>Std. Ed. v1.3</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> PREV NEXT</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="Permission.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><CENTER><H2><B>Uses of Class<br>java.security.Permission</B></H2></CENTER><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2">Packages that use <A HREF="../../../java/security/Permission.html">Permission</A></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.awt"><B>java.awt</B></A></TD><TD>Contains all of the classes for creating userinterfaces and for painting graphics and images. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.io"><B>java.io</B></A></TD><TD>Provides for system input and output through data streams,serialization and the file system. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.lang"><B>java.lang</B></A></TD><TD>Provides classes that are fundamental to the design of the Javaprogramming language. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.lang.reflect"><B>java.lang.reflect</B></A></TD><TD>Provides classes and interfaces for obtaining reflectiveinformation about classes and objects. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.net"><B>java.net</B></A></TD><TD>Provides the classes for implementing networking applications. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.security"><B>java.security</B></A></TD><TD>Provides the classes and interfaces for the security framework. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.sql"><B>java.sql</B></A></TD><TD>Provides the API for accessing and processing data in a data source usingthe Java<sup><font size=-2>TM</font></sup> programming language. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.util"><B>java.util</B></A></TD><TD>Contains the collections framework, legacy collection classes, event model,date and time facilities, internationalization, and miscellaneous utilityclasses (a string tokenizer, a random-number generator, and a bit array). </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#javax.sound.sampled"><B>javax.sound.sampled</B></A></TD><TD>Provides interfaces and classes for capture, processing, and playback of sampled audio data. </TD></TR></TABLE> <P><A NAME="java.awt"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2">Uses of <A HREF="../../../java/security/Permission.html">Permission</A> in <A HREF="../../../java/awt/package-summary.html">java.awt</A></FONT></TD></TR></TABLE> <P><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TD COLSPAN=2>Subclasses of <A HREF="../../../java/security/Permission.html">Permission</A> in <A HREF="../../../java/awt/package-summary.html">java.awt</A></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../java/awt/AWTPermission.html">AWTPermission</A></B></CODE><BR> This class is for AWT permissions.</TD></TR></TABLE> <P><A NAME="java.io"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2">Uses of <A HREF="../../../java/security/Permission.html">Permission</A> in <A HREF="../../../java/io/package-summary.html">java.io</A></FONT></TD></TR></TABLE> <P><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TD COLSPAN=2>Subclasses of <A HREF="../../../java/security/Permission.html">Permission</A> in <A HREF="../../../java/io/package-summary.html">java.io</A></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../java/io/FilePermission.html">FilePermission</A></B></CODE><BR> This class represents access to a file or directory.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../java/io/SerializablePermission.html">SerializablePermission</A></B></CODE><BR> This class is for Serializable permissions.</TD></TR></TABLE> <P><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TD COLSPAN=2>Methods in <A HREF="../../../java/io/package-summary.html">java.io</A> with parameters of type <A HREF="../../../java/security/Permission.html">Permission</A></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B>FilePermission.</B><B><A HREF="../../../java/io/FilePermission.html#implies(java.security.Permission)">implies</A></B>(<A HREF="../../../java/security/Permission.html">Permission</A> p)</CODE><BR> Checks if this FilePermission object "implies" the specified permission.</TD></TR></TABLE> <P><A NAME="java.lang"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2">Uses of <A HREF="../../../java/security/Permission.html">Permission</A> in <A HREF="../../../java/lang/package-summary.html">java.lang</A></FONT></TD></TR></TABLE> <P><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TD COLSPAN=2>Subclasses of <A HREF="../../../java/security/Permission.html">Permission</A> in <A HREF="../../../java/lang/package-summary.html">java.lang</A></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../java/lang/RuntimePermission.html">RuntimePermission</A></B></CODE><BR> This class is for runtime permissions.</TD></TR></TABLE> <P><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TD COLSPAN=2>Methods in <A HREF="../../../java/lang/package-summary.html">java.lang</A> with parameters of type <A HREF="../../../java/security/Permission.html">Permission</A></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B>SecurityManager.</B><B><A HREF="../../../java/lang/SecurityManager.html#checkPermission(java.security.Permission)">checkPermission</A></B>(<A HREF="../../../java/security/Permission.html">Permission</A> perm)</CODE><BR> Throws a <code>SecurityException</code> if the requested access, specified by the given permission, is not permitted based on the security policy currently in effect.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B>SecurityManager.</B><B><A HREF="../../../java/lang/SecurityManager.html#checkPermission(java.security.Permission, java.lang.Object)">checkPermission</A></B>(<A HREF="../../../java/security/Permission.html">Permission</A> perm,⌨️ 快捷键说明
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