import java.util.Scanner;

public class Test {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		int a =sc.nextInt();
		int b =sc.nextInt();
		int c =sc.nextInt();
		
		int t=0;
		if(a>b)
		{
			t=a;
			a=b;
			b=t;
		}
		if(a>c)
		{
			t=a;
			a=c;
			c=t;
		}
		if(b>c)
		{
			t=b;
			b=c;
			c=t;
		}
		System.out.println(b);//先排序再输出排序后的中间数b
		//int zhong= a>b?(a<c?a:(b>c?b:c)):(b<c?b:(a>c?a:c));//三目运算符
		//System.out.println(zhong);
	}

}

Java编程：用三目运算符和交换两种方法求三个数中的中间数字。