int x=1;
int y=2;
int z=3;
int temp=(x>y)?x:y;
int max=(temp>z)?temp:z;
System.out.println("最大值为:"+max);

精简了,不好意思!记住也就差不多了!

class ThreeNumberMax {         public static void main(String[] args) {                 int a=1,b=2,c=3;                 int max=(a>b)?(a>c?a:c):(b>c?b:c);         } }

三元运算符，简化书写