Saturday, October 17, 2015

Exception Keywords


Try: Try is a keyword and a block comes under Exception handling tasks. Between this block, we write the tricky codes or the codes which may raise exception at runtime.

Catch: Catch is a keyword and a block. Which is use to handle the exceptions raise due to the code in try block. There can be multiple catch blocks with a single try block.

Finally: Finally is a keyword use to free the resources after the execution of code, written in try and catch block. This is the only block which will always execute, whether there is any exception or not.



Throw: Throw is use to generate custom exceptions, created by developer. We can generate both compile and runtime exceptions both. In this case, declared methods will handle the exception

Throws: Throws keyword is use to define, what type of exception may occur while execution of the method. The implementing class will handle the exception.




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