Which is faster hashmap or hashset?
Can arraylist hold duplicates?
Can you change size of array once created?
Explain quick sort and merge sort algorithms.
Can you dynamically allocate arrays in expanded memory?
How many types of lists are there?
What are control structures?
Write an algorithm to show the reverse of link list?
Tell me can the size of operator be used to tell the size of an array passed to a function?
Why is reflection slower?
What is dangling pointer and how to avoid it?
List the data structures which are used in rdbms.
What is the height of binary tree?