猜输字

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Random;


public class BufferDemo {
public static void main(String[] args) throws IOException {
BufferedReader buf = null;
buf = new BufferedReader(new InputStreamReader(System.in));
String str = null;
String str2 = null;
System.out.println("请输入你想猜的最大的随机数:");
str2 = buf.readLine();
int randomnum = Integer.parseInt(str2);
Random r = new Random();
int s = r.nextInt(randomnum);
while (true) {
System.out.println("请输入数字1:");
str = buf.readLine();
int i1;
i1 = Integer.parseInt(str);


if (i1 == s) {


System.out.println("恭喜你，猜对了");
break;
} else if (i1 > s) {
System.out.println("大了");
continue;
} else {
System.out.println("小了");
continue;
}


}


}


}