Can an arraylist be null?
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What are different techniques for making hash function? Explain with example.
Explain what are the major data structures used in the network data model?
Which time complexity is best?
Is treeset sorted?
What is perfect binary tree?
Is array of data structure?
Explain the uses of binary tree.
What differences exist between hashmap and hashtable?
Design a datastructure to represent the movement of a knight on a chess board
Which is faster quick sort or merge sort?
What is difference between an Array and ArrayList?
What is the most used data structure?