View Compilation Error

0_0_17513039_23109\Main.java:1: 错误: 非法字符: '#'
#include<stdio.h>
^
0_0_17513039_23109\Main.java:1: 错误: 需要class, interface或enum
#include<stdio.h>
        ^
0_0_17513039_23109\Main.java:5: 错误: 需要class, interface或enum
    while(scanf("%d",&n)!=EOF)
    ^
0_0_17513039_23109\Main.java:9: 错误: 需要class, interface或enum
         else
         ^
0_0_17513039_23109\Main.java:11: 错误: 需要class, interface或enum
        printf("%d\n\n",sum);
        ^
0_0_17513039_23109\Main.java:12: 错误: 需要class, interface或enum
    }
    ^
0_0_17513039_23109\Main.java:14: 错误: 需要class, interface或enum
}
^
7 个错误