用Java写一个求三个数中最大的代码

public class MaxOfThreeNumbers {

public static void main(String[] args) {
    int a = 10;
    int b = 20;
    int c = 30;

    int max = a;

    if (b > max) {
        max = b;
    }

    if (c > max) {
        max = c;
    }

    System.out.println("最大值是：" + max);
}

}