Can a class have a constructor?
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What is perfect binary tree?
What can be stored in an arraylist?
Can we declare array size as a negative number?
What are the tasks performed during inorder traversal?
Differentiate between queue and stack.
What is difference between capacity and size of arraylist?
Of the following tree structure, which is, efficient considering space and time complexities? (a) Incomplete Binary Tree (b) Complete Binary Tree (c) Full Binary Tree (b) Complete Binary Tree.
Is a hashmap a dictionary?
What is linear-logarithm chasm?
Which is better selection or bubble sort?
What stack means?
What are the types of data structures?