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

  • Which of the following is the correct way to access all elements of the Stack collection created using the C#.NET code snippet given below? 

    Stack st = new Stack();
st.Push(11);
st.Push(22);
st.Push(-53);
st.Push(33);
st.Push(66);


  • Options
  • A. 
    IEnumerable e;
e = st.GetEnumerator(); 
while (e.MoveNext())
Console.WriteLine(e.Current);
  • B. 
    IEnumerator e;
e = st.GetEnumerable(); 
while (e.MoveNext())
Console.WriteLine(e.Current);
  • C. 
    IEnumerator e;
e = st.GetEnumerator(); 
while (e.MoveNext()) 
Console.WriteLine(e.Current);
  • D. 
    IEnumerator e;
e = Stack.GetEnumerator(); 
while (e.MoveNext()) 
Console.WriteLine(e.Current);

  • Correct Answer 
  • IEnumerator e;
e = st.GetEnumerator(); 
while (e.MoveNext()) 
Console.WriteLine(e.Current);
     

    • More questions

    • 1. The space required for structure variables is allocated on stack.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. Is it possible to invoke Garbage Collector explicitly?

    • Options
    • A. Yes
    • B. No
      • Discuss
    • 3. It possible to create a custom attribute that can be applied only to specific programming element(s) like ____ .

    • Options
    • A. Classes
    • B. Methods
    • C. Classes and Methods
    • D. Classes, Methods and Member-Variables
      • Discuss
    • 4. C#.NET structures are always value types.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. What does the following C#.NET code snippet will print? 

      int i = 0, j = 0; 

label:
    i++;
    j+=i;
if (i < 10)
{
    Console.Write(i +" ");
    goto label; 
}

    • Options
    • A. Prints 1 to 9
    • B. Prints 0 to 8
    • C. Prints 2 to 8
    • D. Prints 2 to 9
    • E. Compile error at label:.
      • Discuss
    • 6. The [Serializable()] attribute gets inspected at

    • Options
    • A. Compile-time
    • B. Run-time
    • C. Design-time
    • D. Linking-time
    • E. None of the above
      • Discuss
    • 7. Code that targets the Common Language Runtime is known as

    • Options
    • A. Unmanaged
    • B. Distributed
    • C. Legacy
    • D. Managed Code
    • E. Native Code
      • Discuss
    • 8. Which of the following are the correct ways to declare a delegate for calling the function func() defined in the sample class given below? 

      class Sample
{
    public int func(int i, Single j)
    {
        /* Add code here. */
    }
}

    • Options
    • A. delegate d(int i, Single j);
    • B. delegate void d(int, Single);
    • C. delegate int d(int i, Single j);
    • D. delegate void (int i, Single j);
    • E. delegate int sample.func(int i, Single j);
      • Discuss
    • 9. Which of the following statements is correct about properties used in C#.NET?

    • Options
    • A. Every property must have a set accessor and a get accessor.
    • B. Properties cannot be overloaded.
    • C. Properties of a class are actually methods that work like data members.
    • D. A property has to be either read only or a write only.
      • Discuss
    • 10. Which of the following assemblies can be stored in Global Assembly Cache?

    • Options
    • A. Private Assemblies
    • B. Friend Assemblies
    • C. Shared Assemblies
    • D. Public Assemblies
    • E. Protected Assemblies
      • Discuss

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