public class Demo {
    public static void main(String[] args){
        //获取三个数的最大值
        int n1 = 12;
        int n2 = 30;
        int n3 = -43;
        int max1=(n1>n2)?n1:n2;
        int max2=(max1>n3)?max1:n3;
        System.out.println("三个数中最大的值为"+max2);
    }
}