View Compilation Error

0_0_32672045_25039\Main.java:3: 错误: 非法字符: '#'
#include <iostream>
^
0_0_32672045_25039\Main.java:3: 错误: 需要class, interface或enum
#include <iostream>
         ^
0_0_32672045_25039\Main.java:4: 错误: 非法字符: '#'
#include <cstdio>
^
0_0_32672045_25039\Main.java:8: 错误: 需要class, interface或enum
int main()
^
0_0_32672045_25039\Main.java:11: 错误: 需要class, interface或enum
    while(scanf("%lf", &n) == 1) {
    ^
0_0_32672045_25039\Main.java:13: 错误: 需要class, interface或enum
        printf(n <= 9 ? "Stan wins.\n" : "Ollie wins.\n");
        ^
0_0_32672045_25039\Main.java:14: 错误: 需要class, interface或enum
    }
    ^
0_0_32672045_25039\Main.java:17: 错误: 需要class, interface或enum
}
^
8 个错误