JDK14/Java14源码在线阅读

/*
 * Copyright (c) 1999, 2017, 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).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package javax.sound.midi;

/**
 * A {@code MidiUnavailableException} is thrown when a requested MIDI component
 * cannot be opened or created because it is unavailable. This often occurs when
 * a device is in use by another application. More generally, it can occur when
 * there is a finite number of a certain kind of resource that can be used for
 * some purpose, and all of them are already in use (perhaps all by this
 * application). For an example of the latter case, see the
 * {@link Transmitter#setReceiver(Receiver) setReceiver} method of
 * {@code Transmitter}.
 *
 * @author Kara Kytle
 */
public class MidiUnavailableException extends Exception {

    /**
     * Use serialVersionUID from JDK 1.3 for interoperability.
     */
    private static final long serialVersionUID = 6093809578628944323L;

    /**
     * Constructs a {@code MidiUnavailableException} that has {@code null} as
     * its error detail message.
     */
    public MidiUnavailableException() {
        super();
    }

    /**

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