Can sets contain duplicates?
What is the difference between collections class vs collections interface?
What is the difference between null and void?
How do you find the height of a binary tree?
What is the Insertion Sort Code?.
Which sorting is best for large data?
If you have to store one lakh objects, what will be a better option- a hash map or an array list?
What are the types of bulleted list?
Explain the uses of b+ tree.
Is hashmap get thread safe?
What is the height of an empty tree?
What is the time complexity of selection sort?
What is binary tree in discrete mathematics?
Describe full binary tree and complete binary tree.
Given an unsorted linked list, and without using a temporary buffer, write a method that will delete any duplicates from the linked list?