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Week7 exception handling

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Alpesh Oza
Alpesh Oza
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Exception Handling in C++
Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Exception Handling in C++ ,[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Fundamental Philosophy ,[object Object],[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Traditional Exception Handling ,[object Object],[object Object],[object Object],[object Object],Exception Handling in C++ Note:– In most large systems, code to handle errors and exceptions represents >80% of the total code of the system
Fundamental Philosophy (continued) ,[object Object],[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Fundamental Philosophy (continued) ,[object Object],[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Fundamental Philosophy (continued) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Class exception ,[object Object],[object Object],[object Object],Exception Handling in C++
Example: Handling an Attempt to Divide by Zero Exception Handling in C++
Exception Handling in C++ Zero Divide Example ,[object Object],[object Object]
Exception Handling in C++ Zero Divide Example ,[object Object],[object Object]
try Blocks ,[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Software Engineering Observation ,[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Catch Handlers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Catch Handlers (continued) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Exception Handling in C++ All other classes of exceptions are not handled here catch clauses attempted in order; first match wins!
Common Programming Errors ,[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Fundamental Philosophy (continued) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Exception Handling in C++ Control does not return to throw point
Stack Unwinding ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Observations ,[object Object],[object Object],[object Object],Exception Handling in C++
Throwing an Exception ,[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Notes ,[object Object],[object Object],Exception Handling in C++
When to Use Exception Handling ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Exception Handling in C++ Don’t use for routine stuff such as end-of-file or null string checking
Software Engineering Notes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Rethrowing an Exception ,[object Object],[object Object],[object Object],Exception Handling in C++
Common Programming Error ,[object Object],[object Object],Exception Handling in C++ See D&D Fig 27.3
Exception Specifications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Exception Handling in C++ Optional!
Exception Specifications (continued) ,[object Object],[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Error Note ,[object Object],[object Object],[object Object],Exception Handling in C++
Constructors and Destructors ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Note ,[object Object],[object Object],Exception Handling in C++
Exceptions and Inheritance ,[object Object],[object Object],[object Object],Exception Handling in C++
Failure of calls to new ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Standard Library Exception Hierarchy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Fig. 27.11 | Standard Library exception classes. Exception Handling in C++
Exception Handling Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Exception Handling in C++
Exception Handling Summary (continued) ,[object Object],[object Object],[object Object],[object Object],Exception Handling in C++

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Week7 exception handling

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  • 36. Fig. 27.11 | Standard Library exception classes. Exception Handling in C++
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