Which sorting algorithm is best for small data?
Can map contain duplicate keys?
Is quicksort faster than merge sort?
How does shell sort work?
Differentiate between arraylist and vector.
How to traverse data in a linked list in forward and backward direction, write the algorithm?
Evaluate the following prefix expression " ++ 26 + - 1324" (Similar types can be asked)
What are the different types of data type?
What are linked lists used for?
Which is the parent class of hashmap class?
Why is quicksort so fast?
What is declaring array?
Can you please explain the difference between array_name and &array_name?