Are duplicates allowed in hashmap?
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Differentiate between the singly linked list and doubly linked list.
Does treeset remove duplicates?
What is space complexity of a program?
What is huffman’s algorithm?
How to get top two numbers from an array?
Explain circular linked list?
Define an algorithm.
Can hashmap store null values?
What is the complexity of arraylist?
What is meant by linked list?
How do I rearrange rows in numbers?
What are priority queues?