Can a binary tree be empty?
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What is raid (redundant array of inexpensive disks)? Explain its level?
What is a reverse linked list.
What happens if we put a key object in a hashmap which exists?
Describe what is Node in link list? And name the types of Linked Lists?
Where the data structures are used?
Parenthesis is never required in postfix or prefix expressions, why?
What is difference between data type and variable?
Is it possible to make an array volatile in java?
Tell me what is quick sort?
List the abstract operations in the set?
What is the Difference between treemap and hashmap?
Define a tree?