Can we give size to arraylist?
Define the queue data structure.
What do you mean by 2-3-4 tree?
What is indexing an array?
Can a hashmap have duplicate keys?
How would you sort words in a large file?
Sort the given values using Quick Sort? 65 70 75 80 85 60 55 50 45
Is stack a dynamic data structure?
What are the Differences between map and hashmap?
What exactly is data?
How does linkedhashset work internally?
If you are given a choice to use either arraylist and linkedlist, which one would you use and why?
Find duplicates in infinite range. Which data structure to be used to give efficient solution?