求多个数中最大值

public class demo08 {
    public static void main(String[] args) {
        int a = 20, b = 30, c = 40;
        int d = (a>b) ? 20 : 30;
        int max = (d>c) ? 30 : 40;
        System.out.println(max+"是最大值");
    }
}