Can hashtable have duplicate values?
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How do you initialize an arraylist?
What do you mean by secondary clustering?
Why sorting algorithms are important?
What are the advantage of collection classes over arrays?
Is quicksort a stable sorting algorithm?
Is Arraylist faster than Array? Why?
How many different binary trees and binary search trees can be made from three nodes that contain the key values 1, 2 & 3?
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what are the applications that use Linked lists?
Why sorting is done?
an array of size N in which every number is between 1 and N, determine if there are any duplicates in it. You are allowed to destroy the array if you like. [ I ended up giving about 4 or 5 different solutions for this, each supposedly better than the others ].
What is complexity of quicksort?
What is the space complexity of bubble sort?