Methods are forbidden to throw RuntimeException or Exception; handling these exceptions requires catching RuntimeException, which is forbidden in guideline EXC14-J. Catch specific exceptions as opposed to rather than the more general RuntimeException or Exception. Moreover, throwing a RuntimeException can lead to subtle errors, for instance, a caller cannot examine the exception to determine why it was thrown, and consequently cannot attempt recovery.
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To handle the case of passing in a null string parameter, code calling this method may require catching RuntimeException, which is a violation of guideline EXC14-J. Catch specific exceptions as opposed to rather than the more general RuntimeException or Exception.
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EXC12-J. Do not log unsanitized user input 06. Exceptional Behavior (EXC) EXC14-J. Catch specific exceptions as opposed to rather than the more general RuntimeException or Exception