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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 23:27:56 PDT 2000 --><TITLE>Java 2 Platform SE v1.3: Uses of Package java.io</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"> <FONT CLASS="NavBarFont1">Class</FONT> </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="package-use.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><CENTER><H2><B>Uses of Package<br>java.io</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/io/package-summary.html">java.io</A></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.applet"><B>java.applet</B></A></TD><TD>Provides the classes necessary to create an applet and the classes an appletuses to communicate with its applet context. </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.awt.color"><B>java.awt.color</B></A></TD><TD>Provides classes for color spaces. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.awt.datatransfer"><B>java.awt.datatransfer</B></A></TD><TD>Provides interfaces and classes for transferring databetween and within applications. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.awt.dnd"><B>java.awt.dnd</B></A></TD><TD>Drag and Drop is a direct manipulation gesture found in many GraphicalUser Interface systems that provides a mechanism to transferinformation between two entities logically associated with presentationelements in the GUI. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.awt.event"><B>java.awt.event</B></A></TD><TD>Provides interfaces and classes for dealing with differenttypes of events fired by AWT components. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.awt.font"><B>java.awt.font</B></A></TD><TD>Provides classes and interface relating to fonts. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.awt.geom"><B>java.awt.geom</B></A></TD><TD>Provides the Java 2D classes for defining and performing operationson objects related to two-dimensional geometry. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.awt.image"><B>java.awt.image</B></A></TD><TD>Provides classes for creating and modifying images. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.awt.image.renderable"><B>java.awt.image.renderable</B></A></TD><TD>Provides classes and interfaces for producingrendering-independent images. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.awt.print"><B>java.awt.print</B></A></TD><TD>Provides classes and interfaces for a general printing API. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.beans"><B>java.beans</B></A></TD><TD>Contains classes related to Java Beans development. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.beans.beancontext"><B>java.beans.beancontext</B></A></TD><TD>Provides classes and interfaces relating to bean context. </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.math"><B>java.math</B></A></TD><TD>Provides classes for performing arbitrary-precision integer arithmetic(BigInteger) and arbitrary-precision decimal arithmetic (BigDecimal). </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.rmi"><B>java.rmi</B></A></TD><TD>Provides the RMI package. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.rmi.activation"><B>java.rmi.activation</B></A></TD><TD>Provides support for RMI Object Activation. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.rmi.dgc"><B>java.rmi.dgc</B></A></TD><TD>Provides classes and interface for RMI distributedgarbage-collection (DGC). </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.rmi.server"><B>java.rmi.server</B></A></TD><TD>Provides classes and interfaces for supporting the serverside of RMI. </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.security.acl"><B>java.security.acl</B></A></TD><TD>The classes and interfaces in this package have beensuperseded by classes in the java.security package. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.security.cert"><B>java.security.cert</B></A></TD><TD>Provides classes and interfaces for parsing and managingcertificates. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.security.interfaces"><B>java.security.interfaces</B></A></TD><TD>Provides interfaces for generating RSA (Rivest, Shamir andAdleman AsymmetricCipher algorithm)keys as defined in the RSA Laboratory Technical NotePKCS#1, and DSA (Digital SignatureAlgorithm) keys as defined in NIST's FIPS-186. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.security.spec"><B>java.security.spec</B></A></TD><TD>Provides classes and interfaces for key specifications and algorithmparameter specifications. </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.text"><B>java.text</B></A></TD><TD>Provides classes and interfaces for handling text, dates, numbers, and messagesin a manner independent of natural languages. </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="#java.util.jar"><B>java.util.jar</B></A></TD><TD>Provides classes for reading and writing the JAR (Java ARchive) fileformat, which is based on the standard ZIP file format with anoptional manifest file. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.util.zip"><B>java.util.zip</B></A></TD><TD>Provides classes for reading and writing the standard ZIP and GZIPfile formats. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#javax.naming"><B>javax.naming</B></A></TD><TD>Provides the classes and interfaces for accessing naming services. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#javax.naming.directory"><B>javax.naming.directory</B></A></TD><TD>Extends the <tt>javax.naming</tt> package to provide functionalityfor accessing directory services. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#javax.naming.event"><B>javax.naming.event</B></A></TD><TD>Provides support for event notification when accessing naming anddirectory services. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#javax.naming.ldap"><B>javax.naming.ldap</B></A></TD><TD>Provides support for LDAPv3 extended operations and controls. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#javax.naming.spi"><B>javax.naming.spi</B></A></TD><TD>Provides the means for dynamically plugging in support for accessingnaming and directory services through the <tt>javax.naming</tt> and related packages. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#javax.rmi.CORBA"><B>javax.rmi.CORBA</B></A></TD><TD>Contains portability APIs for RMI-IIOP. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#javax.sound.midi"><B>javax.sound.midi</B></A></TD><TD>Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI (Musical Instrument Digital Interface) data. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#javax.sound.midi.spi"><B>javax.sound.midi.spi</B></A></TD><TD>Supplies interfaces for service providers to implement whenoffering new MIDI devices, MIDI file readers and writers, or sound bank readers. </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><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#javax.sound.sampled.spi"><B>javax.sound.sampled.spi</B></A></TD><TD>Supplies abstract classes for service providers to subclass whenoffering new audio devices, sound file readers and writers, or audio format converters. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#javax.swing"><B>javax.swing</B></A></TD><TD>Provides a set of "lightweight"(all-Java language) components that,to the maximum degree possible, work the same on all platforms. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#javax.swing.border"><B>javax.swing.border</B></A></TD><TD>Provides classes and interface for drawingspecialized borders around a Swing component. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#javax.swing.colorchooser"><B>javax.swing.colorchooser</B></A></TD><TD>Contains classes and interfaces used by the JColorChoosercomponent. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#javax.swing.event"><B>javax.swing.event</B></A></TD><TD>Provides for events fired by Swing components. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#javax.swing.filechooser"><B>javax.swing.filechooser</B></A></TD><TD>Contains classes and interfaces used by the JFileChooser component. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#javax.swing.plaf"><B>javax.swing.plaf</B></A></TD>⌨️ 快捷键说明
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