Is null allowed in list?
What is the difference between a hashmap and hashtable?
State the properties of b tree.
What is difference between hashmap and map?
What are the different types of sorting in data structure?
What is array in data structure with example?
Explain the term tail recursion?
Is treemap sorted?
Which sorting is best and why?
What are red-black trees?
Now you are given an array of a characters (both ASCII and Kanji) and, an index into the array. The index points to the start of some character. Now you need to write a function to do a backspace (i.e. delete the character before the given index).
Differentiate between iterable and iterator.
In what areas do data structures are applied?