Is null a binary search tree?
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You are given a singly linked list. How would you find out if it contains a loop or not without using temporary space?
Can we remove element from arraylist while iterating?
What is array and string?
What is dynamic array how is it created?
Define articulation point?
Which is faster hashmap or hashtable?
Can we change the size of an array at run time?
What is bubble sort technique?
Write a program for Sorting an Array. Which sorting will you prefer?
Which of the collections allows null as the key?
Can treeset have duplicates?
List some applications of tree-data structure?