View Compilation Error

0_0_28709976_1435\Main.java:1: 错误: 非法字符: '#'
#include<string.h>
^
0_0_28709976_1435\Main.java:1: 错误: 需要class, interface或enum
#include<string.h>
        ^
0_0_28709976_1435\Main.java:2: 错误: 非法字符: '#'
#include<stdio.h>
^
0_0_28709976_1435\Main.java:3: 错误: 非法字符: '#'
#include<algorithm>
^
0_0_28709976_1435\Main.java:5: 错误: 需要class, interface或enum
int main()
^
0_0_28709976_1435\Main.java:8: 错误: 需要class, interface或enum
    scanf("%lld\n",&n);
    ^
0_0_28709976_1435\Main.java:9: 错误: 需要class, interface或enum
    while(n--)
    ^
0_0_28709976_1435\Main.java:12: 错误: 需要class, interface或enum
        printf("Case #2: %lld\n",(y-x)/10);
        ^
0_0_28709976_1435\Main.java:13: 错误: 需要class, interface或enum
    }
    ^
9 个错误