Can we store null in arraylist?
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What is range search?
How do you sort a collection in descending order?
How would you dynamically allocate a one-dimensional and two-dimensional array of integers?
Can you dynamically allocate arrays in expanded memory?
Is arraylist faster than array?
List the types of rotations available in splay tree?
Is hashtable better than dictionary?
Explain what is B-tree?
Is hashmap sorted?
What is height balanced tree?
Tell me real world example of polymorphism and encapsulation .
What are the applications of priority queues?