Does treemap allow null key?
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What are the five examples of data?
What are the properties of binary tree?
What is sorting an array?
Does the minimal spanning tree of a graph give the shortest distance between any 2 specified nodes?
What is difference between list set and map?
What does abstract data type mean?
Give the example of validating the parenthesis of expression using stack.
an array t[100] which contains numbers between 1..99. Return the duplicated value. Try both O(n) and O(n-square).
Explain set interface?
Does concat mutate array?
How does insertion sort works?
How do you sort an array in descending order?