Can hashmap have same key?
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Explain the Complete structure of hashmap along with the basic coding of the hashmap internal implementation.
What are common data structures?
What is rule regarding overriding equals and hascode method?
Why is bubble sort stable?
What is array and string?
How do you get placements?
What is list and its types?
What are the advantages and disadvantages of linked list?
How do you solve a selection sort?
Which is better than array and linked list?
Write an algorithm to find middle element in the linked list.
What is the use of substring?