Class Solution


  • public class Solution
    extends Object
    54 - Spiral Matrix\. Medium Given an `m x n` `matrix`, return _all elements of the_ `matrix` _in spiral order_. **Example 1:** ![](https://assets.leetcode.com/uploads/2020/11/13/spiral1.jpg) **Input:** matrix = \[\[1,2,3],[4,5,6],[7,8,9]] **Output:** [1,2,3,6,9,8,7,4,5] **Example 2:** ![](https://assets.leetcode.com/uploads/2020/11/13/spiral.jpg) **Input:** matrix = \[\[1,2,3,4],[5,6,7,8],[9,10,11,12]] **Output:** [1,2,3,4,8,12,11,10,9,5,6,7] **Constraints:** * `m == matrix.length` * `n == matrix[i].length` * `1 <= m, n <= 10` * `-100 <= matrix[i][j] <= 100`
    • Constructor Detail

      • Solution

        public Solution()
    • Method Detail

      • spiralOrder

        public List<Integer> spiralOrder​(int[][] matrix)