Java tutorial
/* * Copyright (c) 1994, 2008, 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 attempt to open the file denoted by a specified pathname * has failed. * * <p> This exception will be thrown by the {@link FileInputStream}, {@link * FileOutputStream}, and {@link RandomAccessFile} constructors when a file * with the specified pathname does not exist. It will also be thrown by these * constructors if the file does exist but for some reason is inaccessible, for * example when an attempt is made to open a read-only file for writing. * * @author unascribed * @since 1.0 */ public class FileNotFoundException extends IOException { private static final long serialVersionUID = -897856973823710492L; /** * Constructs a <code>FileNotFoundException</code> with * <code>null</code> as its error detail message. */ public FileNotFoundException() { super(); } /** * Constructs a <code>FileNotFoundException</code> with the * specified detail message. The string <code>s</code> can be * retrieved later by the * <code>{@link java.lang.Throwable#getMessage}</code> * method of class <code>java.lang.Throwable</code>. * * @param s the detail message. */ public FileNotFoundException(String s) { super(s); } /** * Constructs a <code>FileNotFoundException</code> with a detail message * consisting of the given pathname string followed by the given reason * string. If the <code>reason</code> argument is <code>null</code> then * it will be omitted. This private constructor is invoked only by native * I/O methods. * * @since 1.2 */ private FileNotFoundException(String path, String reason) { super(path + ((reason == null) ? "" : " (" + reason + ")")); } }