jaroslav@70: /*
jaroslav@70:  * Copyright (c) 1994, 2011, Oracle and/or its affiliates. All rights reserved.
jaroslav@70:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jaroslav@70:  *
jaroslav@70:  * This code is free software; you can redistribute it and/or modify it
jaroslav@70:  * under the terms of the GNU General Public License version 2 only, as
jaroslav@70:  * published by the Free Software Foundation.  Oracle designates this
jaroslav@70:  * particular file as subject to the "Classpath" exception as provided
jaroslav@70:  * by Oracle in the LICENSE file that accompanied this code.
jaroslav@70:  *
jaroslav@70:  * This code is distributed in the hope that it will be useful, but WITHOUT
jaroslav@70:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jaroslav@70:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
jaroslav@70:  * version 2 for more details (a copy is included in the LICENSE file that
jaroslav@70:  * accompanied this code).
jaroslav@70:  *
jaroslav@70:  * You should have received a copy of the GNU General Public License version
jaroslav@70:  * 2 along with this work; if not, write to the Free Software Foundation,
jaroslav@70:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jaroslav@70:  *
jaroslav@70:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
jaroslav@70:  * or visit www.oracle.com if you need additional information or have any
jaroslav@70:  * questions.
jaroslav@70:  */
jaroslav@70: 
jaroslav@70: package java.lang;
jaroslav@70: 
jaroslav@70: /**
jaroslav@70:  * Thrown when an application attempts to use {@code null} in a
jaroslav@70:  * case where an object is required. These include:
jaroslav@70:  * <ul>
jaroslav@70:  * <li>Calling the instance method of a {@code null} object.
jaroslav@70:  * <li>Accessing or modifying the field of a {@code null} object.
jaroslav@70:  * <li>Taking the length of {@code null} as if it were an array.
jaroslav@70:  * <li>Accessing or modifying the slots of {@code null} as if it
jaroslav@70:  *     were an array.
jaroslav@70:  * <li>Throwing {@code null} as if it were a {@code Throwable}
jaroslav@70:  *     value.
jaroslav@70:  * </ul>
jaroslav@70:  * <p>
jaroslav@70:  * Applications should throw instances of this class to indicate
jaroslav@70:  * other illegal uses of the {@code null} object.
jaroslav@70:  *
jaroslav@70:  * {@code NullPointerException} objects may be constructed by the
jaroslav@70:  * virtual machine as if {@linkplain Throwable#Throwable(String,
jaroslav@70:  * Throwable, boolean, boolean) suppression were disabled and/or the
jaroslav@70:  * stack trace was not writable}.
jaroslav@70:  *
jaroslav@70:  * @author  unascribed
jaroslav@70:  * @since   JDK1.0
jaroslav@70:  */
jaroslav@70: public
jaroslav@70: class NullPointerException extends RuntimeException {
jaroslav@70:     private static final long serialVersionUID = 5162710183389028792L;
jaroslav@70: 
jaroslav@70:     /**
jaroslav@70:      * Constructs a {@code NullPointerException} with no detail message.
jaroslav@70:      */
jaroslav@70:     public NullPointerException() {
jaroslav@70:         super();
jaroslav@70:     }
jaroslav@70: 
jaroslav@70:     /**
jaroslav@70:      * Constructs a {@code NullPointerException} with the specified
jaroslav@70:      * detail message.
jaroslav@70:      *
jaroslav@70:      * @param   s   the detail message.
jaroslav@70:      */
jaroslav@70:     public NullPointerException(String s) {
jaroslav@70:         super(s);
jaroslav@70:     }
jaroslav@70: }