Explain recursive function & what is the data structures used to perform recursion?
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List some applications of queue data structure.
Which collection type is used to maintain uniqueness of data structure?
What is difference between list set and map?
Is hashset synchronized?
What is reduction to sorting method?
Is arraylist a collection?
Can we add heterogeneous elements into treemap?
Define a set?
What is collision in data structure?
I am given a sequential algorithm that does a routine search on an unordered list. N = 20. The probability that the value x does NOT appear in the list is exactly 60%, and the probability that x DOES appear is 40%. The 3 questions that I could not get were: A) What is the avg number of element comparisons performed when n = 20 and x does NOT appear in the List. (my answer was 20, is this correct?) B) What is the avg number of element comparisons peformed when n = 20 and x DOES appear in the list? C) What is the avg number of element comparisons performed when n = 20. This should be a single number answer they said.
What is an object array?
Is an arraylist an object?