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Basic Rules
·
 
EmptyCatchBlock: Empty Catch Block
finds instances where an exception is caught, but nothing is done. In most
circumstances, this swallows an exception which should either be acted on or
reported.
·
 
EmptyIfStmt: Empty If Statement
finds instances where a condition is checked but nothing is done about it.
·
 
EmptyWhileStmt: Empty While
Statement finds all instances where a while statement does nothing. If it is a
timing loop, then you should use Thread.sleep() for it; if it's a while loop that
does a lot in the exit expression, rewrite it to make it cl