This throws the following exception: How can I catch it entirely or at least filter out the "A resource with the same name already exist."? Using $.Exception.GetType().FullName yields System.Net.WebException and $.Exception.Message gives The remote server returned an error: (400) Bad Request.
I'd advise using instanceof as it will likely be faster. Throwing an exception is a complicated and expensive operation. JVMs are optimized to be fast in the case when exceptions don't happen. Exceptions should be exceptional. Note that the throw technique probably won't compile as shown, if your exception type is a checked exception, the compiler will complain that you must catch that type or ...
As you can see in the first class, I have added a comment ("// throw exception") where I would like to throw an exception. Do I have to define my own class for exceptions or is there some general exception class in Java I can use?
How can I throw a general exception in Java? - Stack Overflow
The one you linked to asks what's the difference between except Exception, e: and except Exception as e:. This question asks what the difference is between except: and except Exception as e:.
I'm trying to learn more about basic Java and the different types of Throwables, can someone let me know the differences between Exceptions and Errors?
I have some code and when it executes, it throws a NullReferenceException, saying: Object reference not set to an instance of an object. What does this mean, and what can I do to fix this error?
4 Try to create a crash dump for the application. See this StackOverflow question and the MSDN documentation on how to do that. Once you have the crash dump file, open it in the Visual Studio debugger and you will be able to see the exception and call stack for the exception, which should help.