What is raid (redundant array of inexpensive disks)? Explain its level?
How do you implement a stack?
List the differences between comparable and comparator interface?
Define non linear data structure.
What is space complexity of a program?
How does bogo sort work?
What are the complexity of binary search?
What is data structure and why it is important?
Will it create any problem if we add elements with key as user defined object into the treemap?
Is selection sort greedy?
Is hashset thread safe?
How do I sort a hashmap key?
What is the Role of push() and pop() method?