src/java.base/unix/classes/java/net/DefaultInterface.java

/*
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 * 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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package java.net;

/**
 * Choose a network interface to be the default for
 * outgoing IPv6 traffic that does not specify a scope_id (and which needs one).
 *
 * Platforms that do not require a default interface may return null
 * which is what this implementation does.
 */

class DefaultInterface {

    static NetworkInterface getDefault() {
        return null;
    }
}