What is a circular singly linked list?
What is difference between concurrenthashmap and hashtable?
What is the difference between collections class vs collections interface?
Which of the collections allows null as the key?
What is a property class?
Can an arraylist be null?
What are the five examples of data?
Who invented quicksort?
How many types of priority queue are there?
What is list data structure?
Explain what are the methods available in storing sequential files ?
What is red black tree in data structure?
How to find middle element of linked list in one pass?