JDK8/Java8源码在线阅读

/*
 * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 *
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/**
 * This package contains utility classes related to the Kerberos network
 * authentication protocol. They do not provide much Kerberos support
 * themselves.<p>
 *
 * The Kerberos network authentication protocol is defined in
 * <a href=http://www.ietf.org/rfc/rfc4120.txt>RFC 4120</a>. The Java
 * platform contains support for the client side of Kerberos via the
 * {@link org.ietf.jgss} package. There might also be
 * a login module that implements
 * {@link javax.security.auth.spi.LoginModule LoginModule} to authenticate
 * Kerberos principals.<p>
 *
 * You can provide the name of your default realm and Key Distribution
 * Center (KDC) host for that realm using the system properties
 * {@code java.security.krb5.realm} and {@code java.security.krb5.kdc}.
 * Both properties must be set.
 * Alternatively, the {@code java.security.krb5.conf} system property can
 * be set to the location of an MIT style {@code krb5.conf} configuration
 * file. If none of these system properties are set, the {@code krb5.conf}

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