What is difference between array and arraylist? When will you use array over arraylist?
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what is atmost complete binary tree?
State the different types of linked lists?
Is hashmap an object?
What is the difference between Array and Arraylist?
What the principle of quick sort and its complexity?
What are the classification of data structures?
What is binary tree used for?
Is hashtable fail fast?
Write an algorithm through which the inserting and deleting of elements can take place in circular queue?
List out the disadvantages of using a linked list?
Does treemap sort on key or value?
Explain the uses of b+ tree.