What is minimum depth of binary tree?
why it is difficult to store linked list as an array?
Write an algorithm to find middle element in the linked list.
Difference between hashset and treeset?
What are different sorting algorithms?
What is time and space complexity of bubble sort?
What is a graph?
What are the advantage of linked list over array?
List the abstract operations in the set?
Define forest?
Is there any difference between int[] a and int a[]?
What is difference between list and array?
Which time complexity is best?