What is a matrix? Explain its uses with an example
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Can we store null in arraylist?
What is a comparator function?
What is impact of signed numbers on the memory using data structures?
Define parent node?
What do you know about traversal in linked lists?
Is arraylist better than array?
Why concurrenthashmap is fail safe?
How does the size of arraylist increases dynamically?
Define the queue data structure.
What is precision in data structures?
What is the difference between list, set and map?
Why do we use different types of data structures?