How many types of linked list exist?
How to get the index of an array element?
What is thread and types of thread?
What do you mean by open addressing?
What is return map?
Which sort is stable?
How efficient is bubble sort?
How to sort an Array?
What is difference between hashtable and hashmap?
Why might quick sort might be better than merge sort?
Why is quicksort better than mergesort?
Define avl tree?
What is data structure? Explain.