Java Define Your Own Exception
If your code throws more than one exception.
Java define your own exception. By the help of custom exception you can have your own exception and message. Keep the following points in mind when writing your own exception classes all exceptions must be a child of throwable. Java will throw an exception throw an error.
You can create custom exceptions in java. It encloses the part of your code that might throw the exception. Here are the 4 most important best practices for custom exceptions in java.
You can create your own exceptions in java. Let s see a simple example of java custom exception. This java tutorial guides you on how to create your own exceptions in java.
Each type of exception that can. You can also implement your own exception classes by extending the exception class or any of its subclasses. Tracing the throwable hierarchy you use the try catch statement to catch exceptions and the throw statement to throw exceptions.
Java custom exceptions are used to customize the exception according to user need. If you are creating your own exception that is known as custom exception or user defined exception. The class name of your exception should end with exception.
For example myexception in below code extends the exception class. For example myexception in below code extends the exception class. Java provides us facility to create our own exceptions which are basically derived classes of exception.