SocketAddress.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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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package java.net;

import java.io.Serializable;

/**
 * This class represents a Socket Address with no protocol attachment.
 * As an abstract class, it is meant to be subclassed with a specific, protocol dependent, implementation.
 * <p>
 * It provides an immutable object used by sockets for binding, connecting, or as returned values.
 *
 * @see java.net.Socket
 * @see java.net.ServerSocket
 * @since 1.4
 */
/*
 * 表示连接端点的地址(ip + port)
 *
 * 理论上，该类可以用于TCP和非TCP的socket，但实际上，当前只支持TCP/IP socket。
 * 实际使用的Socket地址都是InetSocketAddress的实例。
 */
public abstract class SocketAddress implements Serializable {
    static final long serialVersionUID = 5215720748342549866L;
}