How do you find the length of an arraylist?
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Describe queue operation.
Does array sort mutate?
Why is quicksort unstable?
What are data members?
Can we store primitives in collections?
Which interfaces are implemented by hashmap?
Why we use arraylist instead of linked list?
Can hashmap be sorted?
What are the categories of avl rotations?
Tell me about circular linked list?
Write the steps involved in the insertion and deletion of an element in the stack.
What are different techniques for making hash function? Explain with example.