What is heap tree explain with example?
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Define non-terminal nodes in a tree?
Parenthesis are never needed in prefix or postfix expressions. Why?
Define a tree?
What is height balanced tree?
Sort the given values using Quick Sort? 65 70 75 80 85 60 55 50 45
Why sorting is done?
What are the operations that can be performed on a stack?
What should I learn first data structures or algorithms?
What is the difference between hashset and hashmap?
What are all the classes and interfaces that are available in the collections?
Construct a doubly linked list using a single pointer in each node?
How can someone display singly linked list from first to last?