What are linked lists good for?
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What is worst case complexity algorithm?
Is treemap thread safe?
Explain what are the types of collision resolution techniques and the methods used in each of the type?
Who invented merge sort?
Of the following tree structure, which is, efficient considering space and time complexities? (a) Incomplete Binary Tree (b) Complete Binary Tree (c) Full Binary Tree (b) Complete Binary Tree.
What is the difference between hashmap and arraylist?
Define hashing?
What are different types of sorting techniques?
Explain in brief a linked list.
What is difference between array and arraylist? When will you use array over arraylist?
What will you prefer for traversing through a list of elements between singly and doubly linked lists?
Does set allow null values?