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C# 面试题与答案

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问题 6. What�s class SortedList underneath?

A sorted HashTable.

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问题 7. Will finally block get executed if the exception had not occurred?

Yes.

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问题 8. What�s the C# equivalent of C++ catch (�), which was a catch-all statement for any possible exception?

A catch block that catches the exception of type System.Exception. You can also omit the parameter data type in this case and just write catch {}.

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问题 9. Can multiple catch blocks be executed?

No, once the proper catch code fires off, the control is transferred to the finally block (if there are any), and then whatever follows the finally block.

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问题 10. Why is it a bad idea to throw your own exceptions?

Well, if at that point you know that an error has occurred, then why not write the proper code to handle that error instead of passing a new Exception object to the catch block? Throwing your own exceptions signifies some design flaws in the project.

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