Can a class have a constructor?
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What are the disadvantages of representing a stack or queue by a linked list?
Do you know how to find if linked list has loop?
When will you use array over arraylist?
What are the different types of linked list?
Why hashmap is faster than hashtable?
In what areas do data structures applied?
Mention a few applications of linked lists?
What is heap tree explain with example?
What is the height of an empty tree?
What is sorting problem?
What is hashing technique? Describe in brief.
Why do we use hashmap?