LeetCode Easy - 包含重複元素

 LeetCode

https://leetcode.com/problems/contains-duplicate/

程式碼

class Solution {

    public boolean containsDuplicate(int[] nums) {

        Arrays.sort(nums);

        for ( int i = 0; i < nums.length-1; i++ ) {

            if (nums[i] == nums[i+1]) return true;

        }

        return false;

    }

}