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Shuffle a set of numbers without duplicates.Example:// Init an array with set 1, 2, and 3.int[] nums = {1,2,3};Solution solution = new Solution(nums);// Shuffle the array [1,2,3] and return

Given a singly linked list, return a random node's value from the linked list. Each node must have the same probability of being chosen.Follow up:What if the linked list is extremely large and i