public static void main(String[] args) {int[][] nums = {{5, 0}, {4, 1}, {6, 2}};//重写Comparator接口里面的compare方法,用Lambda表达式写比较简洁// 按行从小到大Arrays.sort(nums, (o1, o2) -> o1[0] - o2[0]);for (int i = 0; i < nums.length; i++) {System.out.println("值:" + nums[i][0] + " 序号:" + nums[i][1]);}// 按行从大到小Arrays.sort(nums, (o1, o2) -> o2[0] - o1[0]);for (int i = 0; i < nums.length; i++) {System.out.println("值:" + nums[i][0] + " 序号:" + nums[i][1]);}//按列从小到大Arrays.sort(nums, (o1, o2) -> o1[1] - o2[1]);for (int i = 0; i < nums.length; i++) {System.out.println("值:" + nums[i][0] + " 序号:" + nums[i][1]);}//按列从大到小Arrays.sort(nums, (o1, o2) -> o2[1] - o1[1]);for (int i = 0; i < nums.length; i++) {System.out.println("值:" + nums[i][0] + " 序号:" + nums[i][1]);}}emmmmmm就是这么简单~~~~~~
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