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1 GuideTry... Catch... Finally is probably a familiar statement, and it seems easy to understand logically. However, the lessons I personally learned tell me that this is not as simple and obedient as I imagined. Believe it? Let's take a look at the
Directory
1. What is an exception2. D Introduction3. Custom Exceptions4. Multiple exceptions5. Throw the exception again6. Exception to program flow7. Top level Exception Handler8. Error code9. The SUMMARY
What is the exception.
With the advent
program development, programmers often have to face is how to write code to respond to the occurrence of error events, that is, exception handling (exception handlers). If the exception handling code is well designed, then the final presentation to
C ++ Exception Handling: Try, catch
Try {// a statement that may have an error. If there is an error, throw... // Initialize an exception object} catch (type name [shape parameter name]) // exception description (exception specifier) {// do
In program development, programmers often face how to write code to respond to the occurrence of error events, that is, exception handlers ). If the exception handling code is well-designed, the final presentation to the user will be a friendly
Original: Exception handling in T-SQL Programming-exception capture (try catch) and throw exception (throw)The source of this article: http://www.cnblogs.com/wy123/p/6743515.htmlT-SQL programming, like applications, has exception handling mechanisms,
1. Background Introduction
Why do you want to do exception handling?
For a computer program, no one can guarantee that it will run without error, the main source of error is the following:
Code Error
User illegal input
Device errors
Example of a try catch catch exception in PHP, Trycatch
This example describes a try catch catch exception in PHP. Share to everyone for your reference. The specific methods are analyzed as follows:
In PHP, try catch can help us catch the exception
The unusual English word is exception, the literal translation is "The accident, the exception" The meaning, is also abnormal condition. In fact, exceptions are essentially procedural errors, including program logic errors and system errors.
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