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Exception Handling (C# Programming) Question and Answers-Page first

Exception Handling problems


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

  • Options
  • A. OnError
  • B. HERESULT
  • C. Exceptions
  • D. Error codes
  • E. Setjump and Longjump
  • Discuss
  • 2. Which of the following statements is correct about an Exception?

  • Options
  • A. It occurs during compilation.
  • B. It occurs during linking.
  • C. It occurs at run-time.
  • D. It occurs during Just-In-Time compilation.
  • E. It occurs during loading of the program.
  • Discuss
  • 3. Which of the following statements is correct about the C#.NET program given below if a value "ABCD" is input to it?

    using System;
    namespace CuriousTabConsoleApplication
    {
        class MyProgram
        {
            static void Main(string[] args)
            {
                int index; 
                int val = 55; 
                int[] a = new int[5]; 
                try
                {
                    Console.Write("Enter a number: ");
                    index = Convert.ToInt32(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 ");
            }
        }
    }

  • Options
  • A. It will output: Bad Format
  • B. It will output: Remaining program
  • C. It will output: Index out of bounds
  • D. It will output: Bad Format Remaining program
  • E. It will output: Index out of bounds Remaining program
  • Discuss
  • 4. 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 CuriousTabConsoleApplication
    {
        class MyProgram
        {
            static void Main (string[] args)
            {
                int index; 
                int val = 66; 
                int[] a = new int[5]; 
                try
                {
                    Consote.Write("Enter a number: "); 
                    index = Convert.ToInt32(Console.ReadLine()); 
                    a[index] = val;
                }
                catch(Exception e)
                {
                    Console.Write("Exception occurred ");
                }
                Console.Write("Remaining program ");
            }
        }
    }

  • Options
  • A. It will output: Exception occurred
  • B. It will output: Remaining program
  • C. It will output: Exception occurred Remaining program
  • D. It will output: Remaining program Exception occurred
  • E. The value 66 will get assigned to a[6].
  • Discuss
  • 5. Which of the following statements is correct about the C#.NET program given below if a value "ABCD" is input to it?

    using System;
    namespace CuriousTabConsoleApplication
    {
        class MyProgram
        {
            static void Main(string[] args)
            {
                int index; 
                int vat = 88;
                int[] a = new int(5];
                try
                {
                    Console.Write("Enter a number: ");
                    index = Convert.Toint32(Console.ReadLine());
                    a[index] = val;
                }
                catch(Exception e)
                {
                    Console.Write("Exception occurred");
                }
                Console.Write("Remaining program");
            }
        }
    }

  • Options
  • A. It will output: Exception occurred
  • B. It will output: Remaining program
  • C. It will output: Remaining program Exception occurred
  • D. It will output: Exception occurred Remaining program
  • E. The value 88 will get assigned to a[0].
  • Discuss
  • 6. Which of the following statements is correct about the C#.NET program given below?

    using System;
    namespace CuriousTabConsoleApplication
    {
        class MyProgram
        {
            static void Main(string[] args)
            {
                int index = 6;
                int val = 44;
                int[] a = new int[5];
                try
                {
                    a[index] = val ;
                }    
                catch(IndexOutOfRangeException e)
                {
                    Console.Write("Index out of bounds ");
                }
                Console.Write("Remaining program");
            }
        }
    }

  • Options
  • A. Value 44 will get assigned to a[6].
  • B. It will output: Index out of bounds
  • C. It will output: Remaining program
  • D. It will not produce any output.
  • E. It will output: Index out of bounds Remaining program
  • Discuss
  • 7. All code inside finally block is guaranteed to execute irrespective of whether an exception occurs in the protected block or not.

  • Options
  • A. True
  • B. False
  • Discuss
  • 8. 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 CuriousTabConsoleApplication.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.

  • Options
  • 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
  • Discuss
  • 9. Which of the following is NOT an Exception?

  • Options
  • A. StackOverflow
  • B. Division By Zero
  • C. Insufficient Memory
  • D. Incorrect Arithmetic Expression
  • E. Arithmetic overflow or underflow
  • Discuss
  • 10. In C#.NET if we do not catch the exception thrown at runtime then which of the following will catch it?

  • Options
  • A. Compiler
  • B. CLR
  • C. Linker
  • D. Loader
  • E. Operating system
  • Discuss

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