首先按照第一列的 进行 倒序 排列
如果第一列的值 相等 就按照第二列的值 进行 正序排列
public class Solution{
public static void main(String[] args) {
int[][] t1 = {{1,2,5,0},
{2,1,4,2},
{2,2,4,2},
{3,5,4,6},
};
print(t1);
Arrays.sort(t1, (a,b) -> a[0] == b[0] ? a[1] - b[1] : b[0] - a[0]);
System.out.println("_________");
print(t1);
}
public static void print(int[][] t1) {
for (int i = 0; i < t1.length; i++) {
for (int j = 0; j < t1[i].length; j++) {
System.out.print(t1[i][j] + " ");
}
System.out.println();
}
}
}



