How do you separate zeros from non-zeros in an array?
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How many types of linked list exist?
Explain the Complete structure of hashmap along with the basic coding of the hashmap internal implementation.
How many null values are allowed in hashmap?
How do you find the depth of a binary tree?
Are duplicates allowed in hashmap?
Is arraylist synchronized?
What is Storage Structures and File Structures? Can you show their relation? What are the examples of each? Thanks
What sort does arrays sort use?
How does a treemap sort?
What is array traversing?
What is a dequeue?
Can hashset contain duplicates?