Can arraylist shrink?
Why is arraylist used?
What is the difference between a Stack and a Queue.
How to cut or remove an element from the array?
What is static array?
Differentiate between hashset and hashmap.
What is sort in data structure?
Explain different methods in which you can traverse a tree?
Can we store a string and integer together in an array?
Can we use ordered set for performing binary search?
How to sequentially represent max-heap?
State the difference between arrays and linked lists?
How are the elements of a 2d array are stored in the memory?
Where is data structure used?
Is file a data structure?