It means that you have tried to use a method which doesn't exist.
We can create a exception sub class by extending Exception class available in java
java exception
exception
Easy: there is no exception-handling in C.
Thorwable
we do it using the throw keyword.
Exception handling should be used in Java in all cases where you as a programmer suspect that your code might throw some exceptions or create errors that might look ugly when a user is using the application. In such cases you use exception handling to catch and handle the exception and exit gracefully. You use the try - catch block in Java for exception handling.
1. Arithmetic Exception 2. Input Output Exception 3. Number Format Exception
It is a kit of JAVA development tools that are normally not shipped with JAVA! MOST companies have "Development kits" for their software - Java is not an exception!
InterruptedException is thrown.
Yes a user defined exception can have any number of methods in it. A user defined exception is nothing but a Java class created for a specific purpose. Just like ordinary Java classes, you can have any number of methods in it...
To handle the exceptions in large programs