View Compilation Error

0_0_16186197_15029\Main.java:1: 错误: 非法字符: '#'
#include <cstdio>
^
0_0_16186197_15029\Main.java:1: 错误: 需要class, interface或enum
#include <cstdio>
         ^
0_0_16186197_15029\Main.java:2: 错误: 非法字符: '#'
#include <iostream>
^
0_0_16186197_15029\Main.java:4: 错误: 需要class, interface或enum
int main()
^
0_0_16186197_15029\Main.java:7: 错误: 需要class, interface或enum
    while(cin>>a>>b)
    ^
0_0_16186197_15029\Main.java:9: 错误: 需要class, interface或enum
    return 0;
    ^
0_0_16186197_15029\Main.java:10: 错误: 需要class, interface或enum
}
^
7 个错误