Answer:
The exception handling occurs when the unexpected events are happened, which basically require special type of processing. The exception handling is the mechanism that mainly handle all type of the exception during the run time process in the system.
In the object oriented programming, the testers face issue during the development as it used for prevent the abnormal node in the program and also it customize the exceptional message in the system.
We basically used the try catch block in the exception handling as, it efficiently handle the difficult situation in the object oriented development.