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Home ‣ C# Programming ‣ Constructors See What Others Are Saying!
  • Question

  • Which of the following statements are correct about static functions?

    1. Static functions can access only static data.
    2. Static functions cannot call instance functions.
    3. It is necessary to initialize static data.
    4. Instance functions can call static functions and access static data.
    5. this reference is passed to static functions.


  • Options
  • A. 1, 2, 4
  • B. 2, 3, 5
  • C. 3, 4
  • D. 4, 5
  • E. None of these

  • Correct Answer
  • 1, 2, 4 

    • More questions

    • 1. Which of the following is correct way to convert a String to an int? 

      1. String s = "123"; 
int i;
i = (int)s;
      2. String s = "123";
int i;
i = int.Parse(s);
      3. String s = "123"; 
int i;
i = Int32.Parse(s);
      4. String s = "123"; 
int i;
i = Convert.ToInt32(s);
      5. String s = "123"; 
int i;
i = CInt(s);

    • Options
    • A. 1, 3, 5
    • B. 2, 4
    • C. 3, 5
    • D. 2, 3, 4
      • Discuss
    • 2. How will you complete the foreach loop in the C#.NET code snippet given below such that it correctly prints all elements of the array a? 

          int[][]a = new int[2][];
    a[0] = new int[4]{6, 1 ,4, 3};
    a[1] = new int[3]{9, 2, 7}; 
    foreach (int[ ] i in a)
    {
        /* Add loop here */
        Console.Write(j + " ");
        Console.WriteLine(); 
    }

    • Options
    • A. foreach (int j = 1; j < a(0).GetUpperBound; j++)
    • B. foreach (int j = 1; j < a.GetUpperBound (0); j++)
    • C. foreach (int j in a.Length)
    • D. foreach (int j in i)
    • E. foreach (int j in a.Length -1)
      • Discuss
    • 3. An Account class has a property called accountNo and acc is a reference to a bank object and we want the C#.NET code snippet given below to work. Which of the following options will ensure this functionality? 

      acc.accountNo = 10; 
Console.WriteLine(acc.accountNo);

    • Options
    • A. Declare accountNo property with both get and set accessors.
    • B. Declare accountNo property with only get accessor.
    • C. Declare accountNo property with get, set and normal accessors.
    • D. Declare accountNo property with only set accessor.
    • E. None of the above
      • Discuss
    • 4. Which of the following statements is correct about an interface?

    • Options
    • A. One interface can be implemented in another interface.
    • B. An interface can be implemented by multiple classes in the same program.
    • C. A class that implements an interface can explicitly implement members of that interface.
    • D. The functions declared in an interface have a body.
      • Discuss
    • 5. Which of the following statements is correct about the C#.NET code snippet given below? 

      class Trial
{ 
    int i;
    Decimal d;
}
struct Sample
{
    private int x;
    private Single y;
    private Trial z;
}
Sample ss = new Sample();

    • Options
    • A. ss will be created on the heap.
    • B. Trial object referred by z will be created on the stack.
    • C. z will be created on the heap.
    • D. Both ss and z will be created on the heap.
    • E. ss will be created on the stack.
      • Discuss
    • 6. Which of the following snippets are the correct way to convert a Single into a String? 

      1. Single f = 9.8f; 
String s;
s = (String) (f);
      2. Single f = 9.8f; 
String s;
s = Convert.ToString(f);
      3. Single f = 9.8f; 
String s;
s = f.ToString();
      4. Single f = 9.8f; 
String s;
s = Clnt(f);
      5. Single f = 9.8f; 
String s;
s = CString(f);

    • Options
    • A. 1, 2
    • B. 2, 3
    • C. 1, 3, 5
    • D. 2, 4
      • Discuss
    • 7. What will be the output of the C#.NET code snippet given below? 

      int num = 1, z = 5;

if (!(num <= 0))
    Console.WriteLine( ++num + z++ + " " + ++z ); 
else
    Console.WriteLine( --num + z-- + " " + --z );

    • Options
    • A. 5 6
    • B. 6 5
    • C. 6 6
    • D. 7 7
      • Discuss
    • 8. Which of the following statements is correct?

    • Options
    • A. When used as a modifier, the new keyword explicitly hides a member inherited from a base class.
    • B. Operator overloading works in different ways for structures and classes.
    • C. It is not necessary that all operator overloads are static methods of the class.
    • D. The cast operator can be overloaded.
      • Discuss
    • 9. Which of the following is the correct ways to set a value 3.14 in a variable pi such that it cannot be modified?

    • Options
    • A. float pi = 3.14F;
    • B. #define pi 3.14F;
    • C. const float pi = 3.14F;
    • D. const float pi; pi = 3.14F;
    • E. pi = 3.14F;
      • Discuss
    • 10. 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

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