What do you know about different sorting algorithms?
What is Insertion sort, selection sort, bubble sort( basic differences among the functionality of the three sorts and not the exact algorithms)?
Write an algorithm to check if there is a loop in a doubly linked list.
Write an algorithm to find middle element in the linked list.
Write is a binary search tree? Write an algorithm and tell complexity?
How will you sort the elements of array in descending order?
How would you sort words in a large file?
Write a program for Sorting an Array. Which sorting will you prefer?
Can you distinguish between ArrayList and Array?
Program to remove duplicate elements in an array.
Explain the Stack
How would you implement two stacks using a single array?
What happens if an array goes out-of-bounds?
Write a code for dynamic allocation of array.
If you have to store one lakh objects, what will be a better option- a hash map or an array list?