Is hashmap an array?
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Why do we use dynamic arrays?
How are the elements of a 2d array are stored in the memory?
What is difference between array and arraylist? When will you use array over arraylist?
What is bubble sort used for?
Explain the common uses of threaded binary tree.
Why is sorting important?
How do you sort in ascending order in arraylist?
What is non linear structure?
What is default array size?
Which is faster array or arraylist?
Can a hashmap have duplicate keys?
What is bubble sort and selection sort?