How to reverse singly link list?
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Define splay tree?
in tree construction which is the suitable efficient data structure? (Array, linked list, stack, queue)
How do you find the depth of a binary tree?
Can we sort hashmap?
Define heap?
What is data structure and its classification?
What does list clear do?
Can you please explain the difference between string and an array?
Does hashmap maintain insertion order?
What is the capacity of arraylist?
How do you sort an array in decreasing order?
What is sorting in data structure?