What is difference between hashmap and hashtable?
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What does map stand for?
What are the types of binary tree?
Can you list out the areas in which data structures are applied extensively?
What is default array size?
Mention for which header list, you will found the last node contains the null pointer?
If you have to store one lakh objects, what will be a better option- a hash map or an array list?
What is ascii sort order?
What is array and its types?
Can you sort a string?
Define a set?
What is the difference between a Stack and a Queue.
How to reverse a singly linked list?