View Compilation Error

0_0_37357444_29063\Main.java:1: 错误: 非法字符: '#'
#include<iostream>
^
0_0_37357444_29063\Main.java:1: 错误: 需要class, interface或enum
#include<iostream>
        ^
0_0_37357444_29063\Main.java:2: 错误: 非法字符: '#'
#include<algorithm>
^
0_0_37357444_29063\Main.java:3: 错误: 非法字符: '#'
#include<cstdio>
^
0_0_37357444_29063\Main.java:6: 错误: 需要class, interface或enum
int main()
^
0_0_37357444_29063\Main.java:9: 错误: 需要class, interface或enum
    while(~scanf("%I64X%I64X",&a,&b))
    ^
0_0_37357444_29063\Main.java:13: 错误: 需要class, interface或enum
        else
        ^
0_0_37357444_29063\Main.java:15: 错误: 需要class, interface或enum
    }
    ^
0_0_37357444_29063\Main.java:17: 错误: 需要class, interface或enum
}
^
9 个错误