What sort does arrays sort use?
Define Data Structures?
How does insertion sort works?
Which sorting algorithm is best for large data?
Is it legal to initialize list like this?
How many types of sorting algorithms are there?
how to add an item to the beginning of the list?
Why hashtable is faster than arraylist?
What is heap and its types?
How do you find the height of a binary tree?
Which is better than array and linked list?
What is difference between hashmap and treemap?
Explain multiply linked list in short.