Is it a good or bad idea throwing Exceptions when validating data?

Question

When validating data, I\'ve gotten into a habit of doing the following:

Note: I don\'t really have individual booleans for each check. This is just

Answer 1

It really only matters if your data validation is in a tight loop. For most cases, it doesn't matter what you choose as long as you are consistent in your code.

If you have a lot of code that looks like your sample above then you might want to clean it up by introducing a helper method to throw...

private void throwIf( bool condition, String message )
{
    if( condition )
        throw new ApplicationException( message );
}

(also, doing this will help zero in on errors such as "validCheckOne = false" versus "validCheckOne == false" :)