What is meant by balanced binary tree?
What is the difference between arrays sort and collections sort?
What is a dequeue?
How much time does it take to learn data structures?
How do you sort elements in an arraylist?
What are the types of array operations?
Does hashmap allow duplicate keys?
Define balancing condition for AVL Tree.
Why it is said that searching a node in a binary search tree is efficient than that of a simple binary tree?
Does treeset allow null?
What does it mean to sort an array?
What is thread and types of thread?
Give a good data structure for having n queues ( n not fixed) in a finite memory segment. You can have some data-structure separate for each queue. Try to use at least 90% of the memory space.
Is vector a collection?
Why is hashset not ordered?