Exception is an error event that can happen at the run time of a program.

Programming structure which can interrupt normal program execution stack and deliver Exception message to the objects are down the execution stack. You can create different types of exceptions and treat them differently in the catching block.

Exception or similar to error which are occurred at the time of run time. Exception can be handled but errors can not be handled. -> Exceptions are occurred when ever we encounter the case that may cause error.

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