Does treemap allow null keys?
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Explain what is B-tree?
Write a recursive c function to calculate the height of a binary tree.
What is the minimum number of nodes that a binary tree can have?
Explain Stack
Is an arraylist a vector?
How will you represent a linked list in a graphical view?
Can we remove element from arraylist while iterating?
How can we delete any specific node from the linked list?
Where the data structures are used?
Give the example of validating the parenthesis of expression using stack.
When would you use a hashmap?
What is the difference between arraylist and hashmap?