c#異常處理

1) Which is not a valid keyword used in the context of exception handling?

try

catch

final

finally

Answer & Explanation

Correct answer: 3
final

The final keyword is not used to handle exceptions in C#.NET.

1)在異常處理的上下文中使用哪個無效關鍵字？

嘗試

抓住

最后

最后

答案與解釋

正確答案：3
最后

final關鍵字不用于處理C＃.NET中的異常。

2) Which is a valid keyword used in the context of exception handling?

through

throw

final

caught

Answer & Explanation

Correct answer: 2
throw

The throw is a valid keyword used in exception handling.

2)在異常處理的上下文中使用哪個有效關鍵字？

通過

扔

最后

抓住

答案與解釋

正確答案：2
扔

throw是異常處理中使用的有效關鍵字。

3) There are following statements are given below, which is correct about throw in C#.NET?

The throw keyword is not supported in C#.NET

The throw keyword is used to throw an exception object programmatically

The throw keyword is used in older versions of the .NET framework

The throw keyword is mandatory to use with the try block

Answer & Explanation

Correct answer: 2
The throw keyword is used to throw an exception object programmatically

The 2nd statement is correct about throw keyword.

3)下面給出以下語句，關于C＃.NET中的拋出正確嗎？

C＃.NET不支持throw關鍵字

throw關鍵字用于以編程方式引發(fā)異常對象

throw關鍵字在.NET Framework的較舊版本中使用

throw關鍵字必須與try塊一起使用

答案與解釋

正確答案：2
throw關鍵字用于以編程方式引發(fā)異常對象

關于throw關鍵字的第二條語句是正確的。

4) What is the correct output of the given code snippet? using System;namespace my_namespace {class program{static void Main(string[] args){int a = 0;int b = 10;int c = 0;try{c = b / a;}catch (DivideByZeroException d){Console.WriteLine("Divide by zero exception occurred");}}} }

Divide by zero exception occurred

Syntax error

Linker error

No output

Answer & Explanation

Correct answer: 1
Divide by zero exception occurred

The above code will print "Divide by zero exception occurred" on the console screen.

4)給定代碼段的正確輸出是什么？

除零發(fā)生異常

語法錯誤

鏈接器錯誤

無輸出

答案與解釋

正確答案：1
除零發(fā)生異常

上面的代碼將在控制臺屏幕上顯示“發(fā)生零除零異常”。

5) In the given code snippet finally block will execute or not? using System;namespace my_namespace {class program{static void Main(string[] args){int a = 0;int b = 10;int c = 0;try{c = b / a;}finally{Console.WriteLine("Finally executed");}}} }

Yes, finally will execute

No, finally will not execute

Answer & Explanation

Correct answer: 1
Yes, finally will execute

Yes, finally block will execute.

The output would be,

5)在給定的代碼片段中，finally塊是否會執(zhí)行？ using System ;namespace my_namespace {class program{static void Main ( string [ ] args ){int a = 0 ;int b = 10 ;int c = 0 ;try{c = b / a ;}finally{Console . WriteLine ( " Finally executed " ) ;}}} }

是的，最后會執(zhí)行

不，最終將無法執(zhí)行

答案與解釋

正確答案：1
是的，最后會執(zhí)行

是的，finally塊將執(zhí)行。

輸出將是

? C# Exception Handling Aptitude | Set 4 C# Exception Handling Aptitude | Set 5 ? ＃C＃異常處理能力| 設置4 C＃異常處理能力| 設置5?

翻譯自: https://www.includehelp.com/dot-net/csharp-exception-handling-aptitude-questions-and-answers-4.aspx

c#異常處理

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