Define balanced trees?
Are sets sorted?
Why do we use dynamic arrays?
Why is hashmap faster than treemap?
Which sorting algorithm is used in arrays sort?
What is sorting and classifying?
How many null values are allowed in a set?
How do you make a bubble chart with 3 variables?
Parenthesis are never needed in prefix or postfix expressions. Why?
Explain the implementation of an AVL tree and Binary tree.
State the difference between queues and linked lists?
Why is hashmap not thread safe?
What is data type and its types?