Object Oriented Programming Through Java by Pearson

Errors and Exceptions 1.19

1.8.2 Exceptions

Exceptions, on the other hand, are unusual conditions that occur at run time and can lead to

errors that can crash a program. The exceptions can be classified as follows.

Synchronous exceptions, that is, those that can be predicted. For example, array index

going outside the permissible values can be easily detected because such errors occur only

when you have executed the statement involving array index. The synchronous exception can

occur at any one or more of the following situations:

• Memory allocation exception

• IO handling exception

• Maths handling exception like division by zero

Asynchronous exceptions, those that cannot be predicted. Generally, the resources

required for the programs are ...