Define Data Structures?
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How does variable declaration affect memory allocation?
Which interface provides the capability to store objects using a key-value pair?
Does hashset guarantee order?
What’s the difference between enumeration and iterator interfaces?
What is the best data structure and algorithm to implement cache?
Does treeset allow null values?
Which data structure is needed to convert infix notations to post fix notations?
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.
Which is the fastest sorting?
How do you represent a linked list?
What does isempty() member method determines?
What are different sorting algorithms?