How to get top two numbers from an array?
Define graph?
Which is better selection or bubble sort?
What is sorted list in data structure?
Is quicksort divide and conquer?
Does set allow null values?
What are linked lists good for?
What is hashing with example?
What's the difference between a hashtable and a hashmap?
How does dynamic memory allocation help in managing data?
Write the stack overflow condition.
What is mean by merge sort?
What is the use of heap sort?