| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package java.lang; |
| |
| /** |
| * Thrown when a program tries to access a field or method of an object or an |
| * element of an array when there is no instance or array to use, that is if the |
| * object or array points to {@code null}. It also occurs in some other, less |
| * obvious circumstances, like a {@code throw e} statement where the {@link |
| * Throwable} reference is {@code null}. |
| */ |
| public class NullPointerException extends RuntimeException { |
| |
| private static final long serialVersionUID = 5162710183389028792L; |
| |
| /** |
| * Constructs a new {@code NullPointerException} that includes the current |
| * stack trace. |
| */ |
| public NullPointerException() { |
| } |
| |
| /** |
| * Constructs a new {@code NullPointerException} with the current stack |
| * trace and the specified detail message. |
| * |
| * @param detailMessage |
| * the detail message for this exception. |
| */ |
| public NullPointerException(String detailMessage) { |
| super(detailMessage); |
| } |
| |
| } |