在java中怎么比较三个整数大小例如（a , b, c）；并从小到大输出

public static void main(String args[]) { Integer a = 2, b = 1, c = 3; int max, min, middle = 0; if (a > b) { max = a; min = b; if (max < c) { middle = a; max = c; } if (min > c) { middle = b; min = c; } } else { max = b; min = a; middle = c; if (