What is comparator interface used for?
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Differentiate between list and map.
What are the categories of avl rotations?
Which method will arrange the element of an array in alphabetical order?
How would you check if a binary tree is BST or not ? Write a program.
What is binary tree in discrete mathematics?
Is vector a collection?
How to reference all the elements in a one-dimension array?
Is treemap synchronized?
What is the difference between Array and Array List ? Explain in brief with example.
In what scenario, binary search can be used?
Which interfaces are implemented by hashmap?
Which is the best book for data structures and algorithms?