Is hashmap a data structure?
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What is the best sorting technique?
List the data structures which are used in rdbms.
What is linked hash set?
What is a hash index?
Write an algorithm for inserting and deleting an element from doubly linked list?
Explain what are the major data structures used in the rdbms?
What is raid (redundant array of inexpensive disks)? Explain its level?
How do you check if a stack is empty or not?
Differentiate between failfast and failsafe.
Why entry interface is used in map?
What are the basic operations of stack?
Is a list an array?