Can a tree be empty?
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Which sorting technique is best?
Define balance factor of a node in avl tree?
Which searching algorithm is best?
What does arraylist remove do?
what is traversal in linked lists?
applications of stacks and their uses?
When will we get ArrayStoreException?
Explain the difference between hashset and hashmap?
Explain the term run-time stack?
What are the basic data structures?
Does treemap allow null key?
Can arraylist store objects?