C # test

C # test 2019 high score

39 Among the given collections which one is I/O index based?
a) ArrayList
b) List
c) Stack
d) Queue

Answer: a

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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