Can map contain duplicate keys?
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There are 8, 15, 13, 14 nodes were there in 4 different trees. Which of them could have formed a full binary tree?
What is the impact of signed numbers on the memory?
What is stack and its operations?
What is difference between array and arraylist? When will you use array over arraylist?
How many types of sorting algorithms are there?
Two linked lists are given, find out the sum of them without altering the linked list?
How do you get placements?
why do tree always takes o(log n) time?
What are the advantages of linked list over array (static data structure)?
A list is ordered from smaller to largest when a sort is called. Which sort would take the longest time to execute?
What is a comparator function?
What is the time complexity of arraylist and linked list?