Java / Exception
What is a user defined/custom exception in Java?
User-defined exceptions can be implemented by,
- defining a class to respond to an exception and
- embedding a throw statement in the try clause where the exception can occur or declaring that the method to throw the exception to invoking method where it is handled.
A new exception can be defined by deriving it from the Exception class as follows.
The throw statement is used to signal the occurance of the exception within a try block. Often, exceptions are instantiated in the same statement in which they are thrown using the syntax.
To handle the exception within the method where it is thrown, a catch statement that handles UserDefinedException, must follow the try block. If the developer does not want to handle the exception in the method itself, the method must pass the exception using the syntax:
Dogecoin! Earn free bitcoins up to $250 now by signing up.
Earn bitcoins upto $250 (free), invest in other Cryptocurrencies when you signup with blockfi. Use the referral link: Signup now and earn!
Using BlockFi, don't just buy crypto - start earning on it. Open an interest account with up to 8.6% APY, trade currencies, or borrow money without selling your assets.
Invest now!!! Get Free equity stock (US, UK only)!
Use Robinhood app to invest in stocks. It is safe and secure. Use the Referral link to claim your free stock when you sign up!.
The Robinhood app makes it easy to trade stocks, crypto and more.
More Related questions...