C# Exception Handling Test

1. Which of the following is the object oriented way to handle run time errors?

HERRESULT

Exceptions

Error codes

OnError

2. Select the correct statement about an Exception?

All of the mentioned

It occurs during loading of program

It occurs during Just-In-Time compilation

It occurs at run time

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

 class program
 {
     static void main(string[] args)
     {
         int i = 5;
         int v = 40;
         int[] p = new int[4];
         try
         {
             p[i] = v;
         }
         catch(IndexOutOfRangeException e)
         {
             Console.WriteLine("Index out of bounds");
         }
         Console.WriteLine("Remaining program");
     }
 }

The output will be :
Remaining program

The output will be :
Index out of bounds
Remaining program

None of the mentioned

value 40 will be assigned to a[5];

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

  class Program
  {
      static void Main(string[] args)
      {            
          try 
          {
              Console.WriteLine("csharp" + " " + 1/0);
          }
          finally
          {
              Console.WriteLine("Java");        	
          }
          Console.ReadLine();
      }
  }

Compile time error

Java

Run time Exception generation

csharp 0

5. Which among the following is considered as .NET Exception class?

All of the mentioned

Exception

StackUnderflow Exception

File bound Exception

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

 static void Main(string[] args)
 {            
     try 
     {
         Console.WriteLine("csharp" + " " + 1/Convert.ToInt32(0));
     }
     catch(ArithmeticException e) 
     {
         Console.WriteLine("Java");        	
     }
     Console.ReadLine();
 }

csharp 0

java

run time error

csharp

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

all of the mentioned

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

a program can contain multiple finally clauses

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

8. Which among the following is NOT an exception?

Arithmetic Overflow or underflow

Incorrect Arithmetic Expression

All of the mentioned

Stack Overflow

9. Which of these keywords is used to manually throw an exception?

finally

try

throw

catch

10. Select the statements which describe the correct usage of exception handling over conventional error handling approaches?

As errors can be ignored but exceptions cannot be ignored

try - catch - finally structure allows guaranteed cleanup in event of errors under all circumstances

All of the mentioned

Exception handling allows separation of program's logic from error handling logic making software more reliable and maintainable

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

finally

try

thrown

catch

12. Which of these keywords must be used to monitor exceptions?

try

throw

catch

finally