JDK8/Java8源码在线阅读

/*
 * Copyright (c) 1994, 2006, 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
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package java.io;

/**
 * Signals that an I/O exception of some sort has occurred. This
 * class is the general class of exceptions produced by failed or
 * interrupted I/O operations.
 *
 * @author  unascribed
 * @see     java.io.InputStream
 * @see     java.io.OutputStream
 * @since   JDK1.0
 */
public
class IOException extends Exception {
    static final long serialVersionUID = 7818375828146090155L;

    /**
     * Constructs an {@code IOException} with {@code null}
     * as its error detail message.
     */
    public IOException() {
        super();
    }

    /**
     * Constructs an {@code IOException} with the specified detail message.
     *
     * @param message
     *        The detail message (which is saved for later retrieval
     *        by the {@link #getMessage()} method)
     */
    public IOException(String message) {
        super(message);
    }

    /**
     * Constructs an {@code IOException} with the specified detail message
     * and cause.
     *
     * <p> Note that the detail message associated with {@code cause} is
     * <i>not</i> automatically incorporated into this exception's detail
     * message.
     *
     * @param message
     *        The detail message (which is saved for later retrieval
     *        by the {@link #getMessage()} method)
     *
     * @param cause
     *        The cause (which is saved for later retrieval by the
     *        {@link #getCause()} method).  (A null value is permitted,
     *        and indicates that the cause is nonexistent or unknown.)
     *
     * @since 1.6
     */
    public IOException(String message, Throwable cause) {
        super(message, cause);
    }

    /**
     * Constructs an {@code IOException} with the specified cause and a
     * detail message of {@code (cause==null ? null : cause.toString())}
     * (which typically contains the class and detail message of {@code cause}).
     * This constructor is useful for IO exceptions that are little more

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