Exception Handling refers to
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Identifying all possible erroneous inputs and managing how the application responds to them
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During application execution, if some special conditions are met, then a specific subroutine 'exception handler' is called
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Commercial runtime environments have tools that record debugging information from memory at the time of exception to provide 'root-cause' analysis information later.
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All of the above
To answer this question, the user needs to have knowledge about exception handling in programming.
Option A is incorrect because identifying all possible erroneous inputs and managing how the application responds to them is a part of input validation. It is not the same as exception handling.
Option B is partially correct. During application execution, if some special conditions are met, then a specific subroutine 'exception handler' is called. Exception handling involves detecting errors that occur during the execution of a program and taking appropriate action to handle them. The "specific subroutine" is the exception handler which is executed when an exception is thrown.
Option C is also partially correct. Commercial runtime environments have tools that record debugging information from memory at the time of exception to provide 'root-cause' analysis information later. This tool is essential to debug errors and improve the quality of the software.
Option D is correct because all the options A, B, and C are correct explanations of exception handling.
Therefore, the answer is: D. All of the above.
Exception handling encompasses all three described behaviors: (1) anticipating erroneous/invalid inputs and defining how the app reacts, (2) the runtime mechanism where a special condition triggers a dedicated exception-handler routine instead of normal control flow, and (3) tooling that captures memory/state at the moment of the exception for later root-cause/debugging analysis. None of the three descriptions is false or exclusive of the others, so 'All of the above' correctly captures the full scope of what exception handling covers.