Which of the following is the correct way to find out the number of elements currently present in an ArrayList Collection called arr?
next
next
Q. The string built using the String class are immutable (unchangeable), whereas, the ones built- using the StringBuilder class are mutable.
Q. Which among the following is not an interface declared in System.Collection namespace?
Ans: IDictionaryComparer
Which among the following is the correct way to find out the number of elements currently present in an ArrayListCollection called arr?
Ans: b) arr.Count
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