//a,b是已有的值还是手动输入?
//下面是手动输入的方法
import java.util.Scanner;
public class Test {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("输入数a和数b");
int a = sc.nextInt(), b = sc.nextInt();
sc.close();
if (a > b)
System.out.println(a);
if (a < b)
System.out.println(b);
if (a == b)
System.out.println("无最大值");
}
}