C# Programming - Exception Handling

Exercise :: Exception Handling - General Questions

  • Exception Handling - General Questions
6. 

Which of the following statements are correct about exception handling in C#.NET?

  1. If our program does not catch an exception then the .NET CLR catches it.
  2. It is possible to create user-defined exceptions.
  3. All types of exceptions can be caught using the Exception class.
  4. CLRExceptions is the base class for all exception classes.
  5. For every try block there must be a corresponding finally block.

A. 1 and 2 only
B. 1, 2 and 3 only
C. 4 and 5 only
D. All of the above
E. None of the above

Answer: Option B

Explanation:

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7. 

Which of the following statements are correct about the exception reported below?
Unhandled Exception: System.lndexOutOfRangeException: Index was outside the bounds of the array: at IndiabixConsoleApplication.MyProgram.SetVal(Int32 index, Int32 val) in D:\Sample\IndiabixConsoleApplication\MyProgram.cs:line 26 at IndiabixConsoleApplication.MyProgram.Main(String[] args) in D:\Sample\IndiabixConsoleApplication\MyProgram.cs:line 20

  1. The CLR failed to handle the exception.
  2. The class MyProgram belongs to the namespace MyProgram.
  3. The function SetVal() was called from Main() in line number 20.
  4. The exception occurred in line number 26 in the function SetVal()
  5. The runtime exception occurred in the project IndiabixConsoleApplication.

A. 1 only
B. 1 and 2 only
C. 3, 4 and 5 only
D. All of the above
E. None of the above

Answer: Option C

Explanation:

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8. 

Which of the following is the Object Oriented way of handling run-time errors?

A. OnError
B. HERESULT
C. Exceptions
D. Error codes
E. Setjump and Longjump

Answer: Option C

Explanation:

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9. 

Which of the following statements is correct about the C#.NET program given below if a value "6" is input to it?

using System;
namespace IndiabixConsoleApplication
{
    class MyProgram
    {
        static void Main(string[] args)
        {
            int index; 
            int val = 44;
            int[] a = new int[5];
            try
            {
                Console.Write("Enter a number:");
                index = Convert.Tolnt32(Console.ReadLine());
                a[index] = val;
            }
            catch(FormatException e)
            {
                Console.Write("Bad Format");
            }
            catch(IndexOutOfRangeException e)
            {
                Console.Write("Index out of bounds");
            }
            Console.Write("Remaining program");
        }
    }
}

A. It will output: Index out of bounds Remaining program
B. It will output: Bad Format Remaining program
C. It will output: Bad Format
D. It will output: Remaining program
E. It will output: Index out of bounds

Answer: Option A

Explanation:

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10. 

Which of the following statements are correct about the exception reported below?
Unhandled Exception: System.lndexOutOfRangeException:
Index was outside the bounds of the array.
at IndiabixConsoleApplication.Program.Main(String[] args) in
D:\ConsoleApplication\Program.cs:line 14

  1. The program did not handle an exception called IndexOutOfRangeException.
  2. The program execution continued after the exception occurred.
  3. The exception occurred in line number 14.
  4. In line number 14, the program attempted to access an array element which was beyond the bounds of the array.
  5. The CLR could not handle the exception.

A. 1 only
B. 1, 2 and 3 only
C. 2 and 5 only
D. 1, 3 and 4 only
E. None of the above

Answer: Option D

Explanation:

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