gs gs108 Reflections, Multithreaded Programming, Collection Classes and Mathematical Functions - Collection Classes - Quiz No.1
gs gs108 CSharp Quiz
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Question 1: Which among the following is not the ordered collection class?
BitArray
Queue
Stack
None of the mentioned
Question 2: Which among the following is not an interface declared in System.Collection namespace?
IDictionaryComparer
IEnumerable
IEnumerator
Icomparer
Question 3: Which among the following is the correct way to find out the number of elements currently present in an ArrayListCollection called arr?
arr.Capacity
arr.Count
arr.MaxIndex
arr.UpperBound
Question 4: Which statement is correct in the following C#.NET code snippet?
Stack st = new Stack(); st.Push("Csharp"); st.Push(7.3); st.Push(8); st.Push('b'); st.Push(true);
Unsimilar elements like “Csharp”, 7.3, 8 cannot be stored in the same stack collection
Boolean values can never be stored in Stack collection
Perfectly workable code
All of the mentioned
Question 5: Which is the correct statement about an ArrayList collection that implements the IEnumerable interface?
To access members of ArrayList from the inner class, it is necessary to pass ArrayList class reference to it
The inner class of ArrayList can access ArrayList class members
The ArrayList class consist of inner class that implements the IEnumerator interface
All of the mentioned
Question 6: Which among the following is the correct way to access all the elements of the Stack collection created using the C#.NET code snippet given below?
Stack st = new Stack(); st.Push(10); st.Push(20); st.Push(-5); st.Push(30); st.Push(6); IEnumerable e; e = st.GetEnumerator(); while (e.MoveNext()) Console.WriteLine(e.Current); IEnumerator e; e = st.GetEnumerator(); while(e.MoveNext()) Console.WriteLine(e.Current); IEnumerable e; e = st.GetEnumerable(); while(e.MoveNext()) Console.WriteLine(e.Current);
None of the mentioned
Question 7: The correct code to access all the elements of the queue collection created using the following C#.NET code snippets?
Queue q = new Queue(); q.Enqueue("Harsh"); q.Enqueue('a'); q.Enqueue(false); q.Enqueue(70); q.Enqueue(8.5); IEnumerator e; e = q.GetEnumerator(); while(e.MoveNext()) Console.WriteLine(e.Current); IEnumerable e; e = q.GetEnumerator(); while(e.MoveNext()) IEnumerable e e = q.GetEnumerable(); while(e.MoveNext()) Console.WriteLine(e.Current);
All of the mentioned
Question 8: Which statements among the following are correct about the Collection Classes available in Framework Class Library?
Elements of a collection cannot be transmitted over a network
Elements stored in a collection can be modified only if all the elements are of similar types
Elements stored in a Collection can be retrieved but cannot be modified
Collection classes make use of efficient algorithms to manage the collection, hence improving the performance of the program
Question 9: Among the given collections which one is I/O index based?
ArrayList
List
Stack
Queue
Question 10: Which among the given statements are correct about the Stack collection?
It can be used for evaluation of expressions
It is used to maintain a FIFO list
Top most element of the Stack collection can be accessed using the Peek()
All of the mentioned
