Describe full binary tree and complete binary tree.
Is list a data type?
What does arrays tostring do?
Define parent node?
Which language is best for learning data structures and algorithms?
What is difference between concurrenthashmap and hashtable?
How many types of sorting algorithms are there?
What is a list of lists?
Can we make hashmap synchronized?
Does arraylist allow null values?
Does list allow null values?
What are the classification of data structures?
How does max heap work?