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README
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Java(TM) Platform, Standard Edition
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Runtime Environment
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Version 6
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The Java(TM) Platform, Standard Edition Runtime Environment (JRE(TM)),
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excluding the JavaFX(TM) runtime, is intended for software developers
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and vendors to redistribute with their applications.
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The Java SE Runtime Environment contains the Java virtual machine,
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runtime class libraries, and Java application launcher that are
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necessary to run programs written in the Java programming language.
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It is not a development environment and does not contain development
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tools such as compilers or debuggers. For development tools, see the
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Java SE Development Kit (JDK(TM)). The JRE installation triggers the
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download of the JavaFX runtime. The JavaFX runtime is also available
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separately, and is not part of the JRE. For information on JavaFX, and
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how to make changes, go to: http://java.com/javafx
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=======================================================================
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Deploying Applications with the Java SE Runtime Environment
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=======================================================================
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When you deploy an application written in the Java programming
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language, your software bundle will probably consist of the following
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parts:
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Your own class, resource, and data files.
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The Java SE Runtime Environment.
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An installation procedure or program.
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You already have the first part, of course. The remainder of this
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document covers the other two parts. See also the Notes for Developers
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page on the Java Software website:
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http://java.sun.com/javase/6/webnotes/runtime.html
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-----------------------------------------------------------------------
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Java Platform, Standard Edition Runtime Environment (JRE)
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-----------------------------------------------------------------------
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To run your application, a user needs the Java SE Runtime Environment,
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which is freely available from Sun. Or, you can redistribute the
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Java SE Runtime Environment for free with your application, according
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to the terms of the Java SE Platform Runtime Environment's license. The
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JavaFX runtime is only required to run applications written in the
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JavaFX scripting language; it is freely available from Sun, and must
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not be redistributed with your application.
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The final step in the deployment process occurs when the software is
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installed on an individual user's system. Installation consists of copying
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software onto the user's system, then configuring the user's system
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to support that software. You should ensure that your installation
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procedure does not overwrite existing JRE installations, as they may
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be required by other applications.
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=======================================================================
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Redistribution of the Java SE Runtime Environment (JRE)
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=======================================================================
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--------------------------------------------------------
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NOTE - The license for this software does not allow the
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redistribution of beta and other pre-release versions.
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--------------------------------------------------------
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Subject to the terms and conditions of the Software License
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Agreement and the obligations, restrictions, and exceptions set
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forth below, You may reproduce and distribute the Software (and
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also portions of Software identified below as Redistributable),
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provided that:
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(a) you distribute the Software complete and unmodified and only
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bundled as part of your applets and applications ("Programs"),
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(b) your Programs add significant and primary functionality to the
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Software,
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(c) your Programs are only intended to run on Java-enabled general
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purpose desktop computers and servers,
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(d) you distribute Software for the sole purpose of running your
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Programs,
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(e) you do not distribute additional software intended to replace
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any component(s) of the Software,
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(f) you do not remove or alter any proprietary legends or notices
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contained in or on the Software,
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(g) you only distribute the Software subject to a license agreement
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that protects Sun's interests consistent with the terms
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contained in this Agreement, and
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(h) you agree to defend and indemnify Sun and its licensors from
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and against any damages, costs, liabilities, settlement amounts
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and/or expenses (including attorneys' fees) incurred in
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connection with any claim, lawsuit or action by any third party
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that arises or results from the use or distribution of any and
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all Programs and/or Software.
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The term "vendors" used here refers to licensees, developers, and
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independent software vendors (ISVs) who license and distribute the
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Java SE Runtime Environment with their programs.
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Vendors must follow the terms of the Java SE Runtime Environment Binary
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Code License agreement.
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-----------------------------------------------------------------------
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Required vs. Optional Files
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-----------------------------------------------------------------------
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The files that make up the Java SE Runtime Environment are divided into
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two categories: required and optional. Optional files may be excluded
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from redistributions of the Java SE Runtime Environment at the
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vendor's discretion.
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The following section contains a list of the files and directories that
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may optionally be omitted from redistributions with the Java SE Runtime
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Environment. All files not in these lists of optional files must be
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included in redistributions of the runtime environment.
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-----------------------------------------------------------------------
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Optional Files and Directories
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-----------------------------------------------------------------------
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The following files may be optionally excluded from redistributions.
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These files are located in the jre1.6.0_<version> directory, where
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<version> is the update version number. Solaris and Linux filenames
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and separators are shown. Windows executables have the ".exe" suffix.
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Corresponding files with _g in the name can also be excluded.
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The corresponding man pages should be excluded for any excluded
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executables (with paths listed below beginning with bin/ ,
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for the Solaris(TM) Operating System and Linux).
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lib/charsets.jar
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Character conversion classes
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lib/ext/
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sunjce_provider.jar - the SunJCE provider for Java
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Cryptography APIs
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localedata.jar - contains many of the resources
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needed for non US English locales
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ldapsec.jar - contains security features supported
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by the LDAP service provider
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dnsns.jar - for the InetAddress wrapper of JNDI DNS provider
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bin/rmid
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Java RMI Activation System Daemon
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bin/rmiregistry
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Java Remote Object Registry
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bin/tnameserv
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Java IDL Name Server
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bin/keytool
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Key and Certificate Management Tool
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bin/kinit
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Used to obtain and cache Kerberos ticket-granting tickets
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bin/klist
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Kerberos display entries in credentials cache and keytab
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bin/ktab
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Kerberos key table manager
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bin/policytool
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Policy File Creation and Management Tool
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bin/orbd
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Object Request Broker Daemon
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bin/servertool
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Java IDL Server Tool
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bin/javaws, lib/javaws/ and lib/javaws.jar
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Java Web Start
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When redistributing the JRE on Microsoft Windows as a private
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application runtime (not accessible by other applications)
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with a custom launcher, the following files are also
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optional. These are libraries and executables that are used
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for Java support in Internet Explorer and Mozilla family browsers;
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these files are not needed in a private JRE redistribution.
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bin\java.exe
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bin\javaw.exe
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bin\javaws.exe
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bin\javacpl.exe
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bin\jucheck.exe
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bin\jusched.exe
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bin\wsdetect.dll
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bin\NPJPI*.dll (The filename changes in every release)
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bin\NPJava11.dll
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bin\NPJava12.dll
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bin\NPJava13.dll
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bin\NPJava14.dll
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bin\NPJava32.dll
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bin\NPOJI610.dll
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bin\RegUtils.dll
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bin\axbridge.dll
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bin\deploy.dll
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bin\jpicom.dll
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bin\javacpl.cpl
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bin\jpiexp.dll
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bin\jpinscp.dll
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bin\jpioji.dll
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bin\jpishare.dll
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lib\deploy.jar
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lib\plugin.jar
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lib\javaws.jar
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lib\javaws\messages.properties
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lib\javaws\messages_de.properties
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lib\javaws\messages_es.properties
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lib\javaws\messages_fr.properties
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lib\javaws\messages_it.properties
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lib\javaws\messages_ja.properties
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lib\javaws\messages_ko.properties
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lib\javaws\messages_sv.properties
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lib\javaws\messages_zh_CN.properties
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lib\javaws\messages_zh_HK.properties
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lib\javaws\messages_zh_TW.properties
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lib\javaws\miniSplash.jpg
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-----------------------------------------------------------------------
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Redistributable JDK(TM) Files
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-----------------------------------------------------------------------
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The limited set of files from the Java SE Development Kit (JDK)
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listed below may be included in vendor redistributions of the Java SE
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Runtime Environment. All paths are relative to the top-level
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directory of the JDK. The corresponding man pages should be included for
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any included executables (with paths listed below beginning with bin/ ,
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for the Solaris(TM) Operating System and Linux).
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jre/lib/cmm/PYCC.pf
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Color profile. This file is required only if one wishes to
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convert between the PYCC color space and another color space.
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All .ttf font files in the jre/lib/fonts directory.
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Note that the LucidaSansRegular.ttf font is already contained
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in the Java SE Runtime Environment, so there is no need to
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bring that file over from the JDK.
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jre/lib/audio/soundbank.gm
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This MIDI soundbank is present in the JDK, but it has
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been removed from the Java SE Runtime Environment in order to
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reduce the size of the Runtime Environment's download bundle.
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However, a soundbank file is necessary for MIDI playback, and
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therefore the JDK's soundbank.gm file may be included in
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redistributions of the Runtime Environment at the vendor's
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discretion. Several versions of enhanced MIDI soundbanks are
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available from the Java Sound web site:
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http://java.sun.com/products/java-media/sound/
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These alternative soundbanks may be included in redistributions
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of the Java SE Runtime Environment.
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The javac bytecode compiler, consisting of the following files:
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bin/javac [Solaris(TM) Operating System
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and Linux]
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bin/sparcv9/javac [Solaris Operating System
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(SPARC(R) Platform Edition)]
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bin/amd64/javac [Solaris Operating System (AMD)]
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bin/javac.exe [Microsoft Windows]
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lib/tools.jar [All platforms]
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The Annotation Processing Tool, consisting of the following files:
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lib/tools.jar [All platforms]
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bin/apt [Solaris(TM) Operating System
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and Linux]
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bin/sparcv9/apt [Solaris Operating System
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(SPARC(R) Platform Edition)]
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bin/amd64/apt [Solaris Operating System (AMD)]
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bin/apt.exe [Microsoft Windows]
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lib/jconsole.jar
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The Jconsole application. NOTE: The Jconsole application requires
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the dynamic attach mechanism.
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The dynamic attach mechanism consisting of the following files:
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lib/tools.jar [All platforms]
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jre/lib/sparc/libattach.so
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[Solaris(TM) Operating System (SPARC(R) Platform Edition) and Linux]
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jre/lib/sparcv9/libattach.so
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[Solaris(TM) Operating System (SPARC(R) Platform Edition) and Linux]
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jre/lib/i386/libattach.so
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[Solaris(TM) Operating System (x86) and Linux]
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jre/lib/amd64/libattach.so
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[Solaris(TM) Operating System (AMD) and Linux]
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jre\bin\attach.dll [Microsoft Windows]
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The Java Platform Debugger Architecture implementation consisting of the
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files shown in the dynamic attach section above, and the following files:
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lib/tools.jar [All platforms]
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lib/sa-jdi.jar [All platforms]
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jre/lib/sparc/libsaproc.so
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[Solaris(TM) Operating System (SPARC(R) Platform Edition) and Linux]
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jre/lib/sparcv9/libsaproc.so
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[Solaris(TM) Operating System (SPARC(R) Platform Edition) and Linux]
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jre/lib/i386/libsaproc.so
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[Solaris(TM) Operating System (x86) and Linux]
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jre/lib/amd64/libsaproc.so
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[Solaris(TM) Operating System (AMD) and Linux]
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jre\bin\server\
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On Microsoft Windows platforms, the JDK includes both
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the Java HotSpot(TM) Server VM and Java HotSpot Client VM.
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However, the Java SE Runtime Environment for Microsoft Windows
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platforms includes only the Java HotSpot Client VM. Those wishing
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to use the Java HotSpot Server VM with the Java SE Runtime
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Environment may copy the JDK's jre\bin\server folder to a
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bin\server directory in the Java SE Runtime Environment. Software
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vendors may redistribute the Java HotSpot Server VM with their
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redistributions of the Java SE Runtime Environment.
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-----------------------------------------------------------------------
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Unlimited Strength Java Cryptography Extension
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-----------------------------------------------------------------------
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Due to import control restrictions for some countries, the Java
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Cryptography Extension (JCE) policy files shipped with the Java SE
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Development Kit and the Java SE Runtime Environment allow strong but
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limited cryptography to be used. These files are located at
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<java-home>/lib/security/local_policy.jar
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<java-home>/lib/security/US_export_policy.jar
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where <java-home> is the jre directory of the JDK or the
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top-level directory of the Java SE Runtime Environment.
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An unlimited strength version of these files indicating no restrictions
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on cryptographic strengths is available on the JDK web site for
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those living in eligible countries. Those living in eligible countries
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may download the unlimited strength version and replace the strong
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cryptography jar files with the unlimited strength files.
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-----------------------------------------------------------------------
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The cacerts Certificates File
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-----------------------------------------------------------------------
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Root CA certificates may be added to or removed from the Java SE
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certificate file located at
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<java-home>/lib/security/cacerts
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For more information, see The cacerts Certificates File section
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in the keytool documentation at:
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http://java.sun.com/javase/6/docs/tooldocs/solaris/keytool.html#cacerts
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=======================================================================
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Endorsed Standards Override Mechanism
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=======================================================================
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From time to time it is necessary to update the Java platform in order
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to incorporate newer versions of standards that are created outside of
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the Java Community Process(SM) (JCP(SM) http://www.jcp.org/) (Endorsed
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Standards), or in order to update the version of a technology included
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in the platform to correspond to a later standalone version of that
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technology (Standalone Technologies).
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The Endorsed Standards Override Mechanism provides a means whereby
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later versions of classes and interfaces that implement Endorsed
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Standards or Standalone Technologies may be incorporated into the Java
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Platform.
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For more information on the Endorsed Standards Override Mechanism,
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including the list of platform packages that it may be used to
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override, see
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http://java.sun.com/javase/6/docs/technotes/guides/standards/
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-----------------------------------------------------------------------
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The Java(TM) Runtime Environment (JRE) and the JavaFX(TM) runtime are
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products of Sun Microsystems(TM), Inc.
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Copyright <20> 2009 Sun Microsystems, Inc.
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4150 Network Circle, Santa Clara, California 95054, U.S.A.
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All rights reserved.
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