View Compilation Error

0_0_26517774_5246\Main.java:1: 错误: 非法字符: '#'
#include<stdio.h>
^
0_0_26517774_5246\Main.java:1: 错误: 需要class, interface或enum
#include<stdio.h>
        ^
0_0_26517774_5246\Main.java:5: 错误: 需要class, interface或enum
    char s[100];
    ^
0_0_26517774_5246\Main.java:6: 错误: 需要class, interface或enum
    double sum = 0.0;
    ^
0_0_26517774_5246\Main.java:7: 错误: 需要class, interface或enum
    while(scanf("%s", s)!=EOF)
    ^
0_0_26517774_5246\Main.java:10: 错误: 需要class, interface或enum
        sum += a*b;        
        ^
0_0_26517774_5246\Main.java:11: 错误: 需要class, interface或enum
    }
    ^
0_0_26517774_5246\Main.java:13: 错误: 需要class, interface或enum
    return 0;
    ^
0_0_26517774_5246\Main.java:14: 错误: 需要class, interface或enum
}
^
9 个错误