1 <p>As the JavaDoc states, DateFormats are inherently unsafe for multithreaded use.
2 Sharing a single instance across thread boundaries without proper synchronization will result in erratic behavior of the
4 <p>You may also experience serialization problems.</p>
5 <p>Using an instance field is recommended.</p>
6 <p>For more information on this see <a href="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6231579">Sun Bug #6231579</a>
7 and <a href="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6178997">Sun Bug #6178997</a>.</p>