NET2

An event that occurs during the execution of a program that is unexpected by the program code is known as ____.

• Multiple catch

• Exception

• Nested try catch

• None of the given

Which among the following is an exception?

• Referencing the null object

• Invalid typecasting

• Invalid private or protected field access

• All of the given

What allows you to test code for errors?

• Exception

• Try

• Validation

• None of the given

The try and catch keywords come in pair.

• True

• False

• Depends upon the programmer D

• Sometimes true sometimes false

Which of these keywords is not a part of exception handling?

• try

• finally

• thrown

• catch

What will be the output of the following C# code?

static void Main(string[] args)

{               

try     {       

Console.WriteLine("Java" + " " + 1/Convert.ToInt32(0));   

}   

catch(ArithmeticException e)    

{       

Console.WriteLine("Csharp");            

}   

Console.ReadLine();

}

• Csharp

• Java

• Java 0

• Run time error

Which of the following is the wrong statement about exception handling in C#.NET?

• Finally clause is used to perform cleanup operations of closing network and database connections

• the statement in final clause will get executed no matter whether an exception occurs or not

• a program can contain multiple finally clauses

• all of the given

What will be the output of the following C# code snippet? {     try     {         int a, b;         b = 0;         a = 5 / b;         Console.WriteLine("A");     }     catch(ArithmeticException e)     {         Console.WriteLine("B");     }     finally     {         Console.WriteLine("C");     }     Console.ReadLine(); }

• A

• B

• B C

• Run time error

When we are not sure about the exception type that may be generated then ___ is used.

• Validation Control

• ADO.NET

• Single Try and Catch

• Multiple Catch

Which of the following exception handles error generated by invalid private and protected field access?

• System.DivideByZeroException

• System.NullReferenceException

• System.IO.IOException

• System.FieldAccesException