Exception handling:
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It is like a error,Whenever it occur the program will terminate itself.

Types of exception:
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unchecked 
checked

unchecked exception[run time]

Whenever the exception will occur in runtime it is called run time exception
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*Arithmetic Exception
*null point exception
*Input mismatch exception
*ArrayIndexOutofbound exception
*StringIndexOutofbound exception
*IndexOutofbound exception
*NumberFormat Exception

checked exception[compile time]
Whenever the exception will occur in complietime it is called complie time exception
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*File not found exception
*IO not found exception
*sql not found  exception
*Class not found exception






Exception/Throwable is the super class of all exception

exception handling
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try---Whenever the exception will occur, we will use try block.
catch--Catch is the block , it is going to catch the exception
finally---It will execute the finally block,it doesnot consider whether the exceptions is handled or not
Throw
Throws


try,finally
try,catch,finally
try,multiple catch