慕慕0098458
public static void main(String args[]){ int a[][] = {{4, 1}, {1, 2}, {2, 3}, {2, 1}, {3, 2}, {3, 1}, {1, 1}}; for (int i = 0; i < a.length; i++){ for (int j = i; j < a.length;j++){ if (a[i][0] > a[j][0] | | (a[i][0] == a[j][0] & & a[i][1] > a[j][1])){ int temp = a[i][0]; a[i][0] = a[j][0]; a[j][0] = temp; temp = a[i][1]; a[i][1] = a[j][1]; a[j][1] = temp; } } } for (int i = 0;i < a.length;i++){ System.out.println(a[i][0] + "," + a[i][1]); } }