Why is data structure needed?
Is hashmap an array?
What is a spanning tree in data structure?
What is stable sorting method?
What is difference between static and dynamic array?
How do you sort a collection in descending order?
Which sorting has less time complexity?
Can array store heterogeneous data?
Give a real time example of stack
What does quick sort do?
Which data structures are used in bfs and dfs algorithm?
“int a[] = new int[3]{1, 2, 3}” – This a legal way of defining the arrays?
What are trees in data structures?