What is the time complexity of hashmap get () and put () method?
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How to cut or remove an element from the array?
What is hashing with example?
What is concurrentlinkeddeque?
Does arraylist maintain insertion order?
How do you sort large data?
What is map keyset?
Which searching algorithm is best?
Mention a few applications of linked lists?
What are the disadvantages of representing a stack or queue by a linked list?
Can a hashmap have duplicate keys?
Which is faster hashmap or concurrenthashmap?
How do arrays work?