What is the difference between a hashmap and hashtable?
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Define non-terminal nodes in a tree?
Why linked list is required?
Explain about the different lists available in the collection?
Is collection a class or interface?
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 sorting is best?
What is a postfix expression?
Differentiate among cycle, path, and circuit?
What do u mean by data type?
What do you mean by Syntax Error
Does stringutils isempty check for null?
Can we use any class as map key?