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Java Source | 1997-05-20 | 2.1 KB | 67 lines |
- /*
- * @(#)NullPointerException.java 1.11 97/01/20
- *
- * Copyright (c) 1995, 1996 Sun Microsystems, Inc. All Rights Reserved.
- *
- * This software is the confidential and proprietary information of Sun
- * Microsystems, Inc. ("Confidential Information"). You shall not
- * disclose such Confidential Information and shall use it only in
- * accordance with the terms of the license agreement you entered into
- * with Sun.
- *
- * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
- * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
- * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
- * THIS SOFTWARE OR ITS DERIVATIVES.
- *
- * CopyrightVersion 1.1_beta
- *
- */
-
- package java.lang;
-
- /**
- * Thrown when an application attempts to use <code>null</code> in a
- * case where an object is required. These include:
- * <ul>
- * <li>Calling the instance method of a <code>null</code> object.
- * <li>Accessing or modifying the field of a <code>null</code> object.
- * <li>Taking the length of <code>null</code> as if it were an array.
- * <li>Accessing or modifying the slots of <code>null</code> as if it
- * were an array.
- * <li>Throwing <code>null</code> as if it were a <code>Throwable</code>
- * value.
- * </ul>
- * <p>
- * Applications should throw instances of this class to indicate
- * other illegal uses of the <code>null</code> object.
- *
- * @author unascribed
- * @version 1.11, 01/20/97
- * @since JDK1.0
- */
- public
- class NullPointerException extends RuntimeException {
- /**
- * Constructs a <code>NullPointerException</code> with no detail message.
- *
- * @since JDK1.0
- */
- public NullPointerException() {
- super();
- }
-
- /**
- * Constructs a <code>NullPointerException</code> with the specified
- * detail message.
- *
- * @param s the detail message.
- * @since JDK1.0
- */
- public NullPointerException(String s) {
- super(s);
- }
- }
-