What is the difference between Array and Arraylist?
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Define hash table?
How does variable declaration affect memory allocation?
How is the front of the queue calculated in data structure?
Why do we need arrays if all the operations that are performed on arrays can be performed on arraylist?
Why do we need sorting?
What is stack in geography?
Which is best array or linked list?
Define a queue?
Model a data structure for a DFA that takes an event as parameter and performs a desired action.
Which is faster hashmap or hashset?
How to reverse singly link list?
Why do we use binary search?