Question 11 :
Which of the following is the correct way to find out the number of elements currently present in an ArrayList Collection called arr?
Question 12 :
Which of the following statements are correct about a HashTable collection?
1. It is a keyed collection.
2. It is a ordered collection.
3. It is an indexed collection.
4. It implements a IDictionaryEnumerator interface in its inner class.
5. The key - value pairs present in a HashTable can be accessed using the Keys and Values properties of the inner class that implements the IDictionaryEnumerator interface.
Question 13 :
Which of the following statements are correct about the Collection Classes available in Framework Class Library?