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.
Catching Exceptions. A method catches an exception using a combination of the try and catch keywords. A try/catch block is placed around the code that might generate an exception. Code within a try/catch block is referred to as protected code, and the syntax for using try/catch looks like the following â.