Can arraylist be resized?
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What happens if we try to insert duplicate key in hashmap?
Which sorting technique is faster?
Differentiate between an array and an arraylist.
How many types of search algorithms are there?
How do you represent a linked list?
Which sorting technique is best?
Why do we need sorting algorithms?
Which is faster hashmap or treemap?
When would you use a tuple?
List out the basic operations that can be performed on a stack?
What are the two traversal strategies used in traversing a graph?
what is the difference between dynamic as well as non - dynamic data structures.