What is non linear structure?
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Does treeset allow duplicates?
What is collection process?
What is a spanning tree?does the minimum spanning tree of a graph give the shortest distance between any 2 specified nodes?
what is AVL tree?
What is the limit of arraylist?
Given an unsorted linked list, and without using a temporary buffer, write a method that will delete any duplicates from the linked list?
Can we store primitives in collections?
What is meant by heap sort?
How does a hashtable work?
How will you sort the elements of array in descending order?
How is the front of the queue calculated ?
an array of size N in which every number is between 1 and N, determine if there are any duplicates in it. You are allowed to destroy the array if you like. [ I ended up giving about 4 or 5 different solutions for this, each supposedly better than the others ].