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Never use deprecated fields, methods, or classes in new code. The Java SE 6 documentation provides a complete list of deprecated APIs \[[API 2006|AA. Bibliography#API 06]\]. Java provides a {{@deprecated}} annotation to indicate the deprecation of specific fields, methods, and classes. For instance, many methods of {{java.util.Date}}, such as {{Date.getYear()}}, have been explicitly deprecated. The guidelinerule [THI05-J. Do not use Thread.stop() to terminate threads|THI05-J. Do not use Thread.stop() to terminate threads] describes issues that can result from using the deprecated {{Thread.stop()}} method. |
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Finally, several classes and methods impose particular limitations on their use. For instance, all of the subclasses of the abstract class java.text.Format are thread-unsafe. These classes must be avoided in multithreaded code. For more information about thread-safety, see guideline rule TSM04-J. Document thread-safety and use annotations where applicable.
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Search for vulnerabilities resulting from the violation of this guideline rule on the CERT website.
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