Why is hashmap faster than arraylist?
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Define a binary search tree?
Define a stack?
What is array define its types?
Write the advantage of separate chaining?
Is binary tree a bst?
What is the difference between ienumerable and list?
Which collection class is thread safe?
what is traversal in linked lists?
What are common data structures?
What are basic algorithms?
What is the time complexity of hashmap get () and put () method?
What are the objectives of studying data structures?