Sorting is not possible by using which of the methods?
What is internal and external sorting?
How many sorting techniques are there?
Name few concurrent collection classes?
What is the difference between a stack and an array?
What is a map programming?
Can treemap have duplicate values?
Can you please explain the difference between string and an array?
What is m way tree in data structure?
What do you know about the big-o notation and can you give some examples with respect to different data structures?
If we try to add duplicate key to the hashmap, what will happen?
What is difference between for loop and foreach?
Does arraylist contain duplicates?