Can arraylist hold duplicates?
What is the difference between hashset and treeset?
What is the height of an empty tree?
How does hashset maintain order?
What is the relationship between a queue and its underlying array?
What is huffman’s algorithm?
How will you represent a linked list in a graphical view?
What is difference between data type and variable?
How many times is merge sort called?
How is a hashset implemented?
Does arraylist allow null values?
What is raid (redundant array of inexpensive disks)?
What are common data structures?