Foamy: No matter what color it is, you should check in with your doctor if it consistently looks foamy and frothy. It may be a sign you have protein in your urine, which may mean you have issues with your kidneys. Pee doesnât usually have a strong smell.
If the file cannot be found, the exception is caught in the catch-block. In this example, the error handler simply prints the stack trace, which provides useful information for debugging. In some situations, you may need to perform some clean-up operations, or open another file instead.
catch statement, and when you run your code, if the column doesn't exist it will throw an exception. You can then figure out what specific exception it throws and have it handle that specific exception in a different way if you so desire, such as returning Column Not Found. share | improve this answer.