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author | tromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-07-16 00:30:23 +0000 |
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committer | tromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-07-16 00:30:23 +0000 |
commit | c8875fb97fc03779a5bba09872227b1d08e5d52a (patch) | |
tree | a0b991cf5866ae1d616639b906ac001811d74508 /libjava/classpath/java/lang/NullPointerException.java | |
parent | c40c1730800ed292b6db39a83d592476fa59623c (diff) | |
download | gcc-c8875fb97fc03779a5bba09872227b1d08e5d52a.tar.gz |
Initial revision
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@102074 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/classpath/java/lang/NullPointerException.java')
-rw-r--r-- | libjava/classpath/java/lang/NullPointerException.java | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/libjava/classpath/java/lang/NullPointerException.java b/libjava/classpath/java/lang/NullPointerException.java new file mode 100644 index 00000000000..29a4ee086c5 --- /dev/null +++ b/libjava/classpath/java/lang/NullPointerException.java @@ -0,0 +1,82 @@ +/* NullPointerException.java -- thrown when using null instead of an object + Copyright (C) 1998, 1999, 2001, 2002, 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package java.lang; + +/** + * Thrown when attempting to use <code>null</code> where an object + * is required. The Virtual Machine automatically throws this exception + * for the following:<br><ul> + * <li>Calling an instance method on a null object</li> + * <li>Accessing or modifying a field of a null object</li> + * <li>Taking the array length of a null array</li> + * <li>Accessing or modifying the slots of a null array</li> + * <li>Throwing a null Throwable</li> + * <li>Synchronizing on a null object</li> + * </ul> + * <p>Applications should also throw NullPointerExceptions whenever + * <code>null</code> is an inappropriate parameter to a method. + * + * @author Brian Jones + * @author Warren Levy (warrenl@cygnus.com) + * @status updated to 1.4 + */ +public class NullPointerException extends RuntimeException +{ + /** + * Compatible with JDK 1.0+. + */ + private static final long serialVersionUID = 5162710183389028792L; + + /** + * Create an exception without a message. + */ + public NullPointerException() + { + } + + /** + * Create an exception with a message. + * + * @param s the message + */ + public NullPointerException(String s) + { + super(s); + } +} |