Does hashmap allow duplicate keys?
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What is weight balanced tree in data structure?
Why do we need linked lists?
Questions related to arrays, such as given a 2 integer array, find the common elements.
How do you find the depth of a binary tree?
Why sorting is used?
Describe binary tree and its property.
Can you list out the areas in which data structures are applied extensively?
Write an algorithm that counts number of nodes in the circular linked list
Can arraylist store objects?
Which sorting technique is faster?
What is difference between hashmap and hashtable?
How do treesets work internally?