What are the four types of variables?
What are the disadvantages of linked list over array?
What is a hash index?
How do I use quick sort?
Is arraylist a class?
Can we make hashmap synchronized?
Can arraylist have duplicates?
What is the use of prototype?
How does a treemap sort?
Which sorting algorithm is best for small data?
What is binary tree give example?
How many passes does bubble sort need?
Define disjoint set adt?