What is modcount in hashmap?
What do you mean by free pool?
Why is it important to sort waste?
What are the types of binary tree?
Explain the common uses of threaded binary tree.
In an AVL tree, at what condition the balancing is to be done?
Which interfaces are implemented by concurrentskiplistset?
What are red-black trees?
Explain what are the major data structures used in the hierarchical data model?
Does treemap allow null key?
How would you check if a binary tree is BST or not ? Write a program.
What is mergesort and hashtable?
Which is best array or linked list?