View Compilation Error

0_0_30355684_19751\Main.java:1: 错误: 非法字符: '#'
#include <iostream>
^
0_0_30355684_19751\Main.java:1: 错误: 需要class, interface或enum
#include <iostream>
         ^
0_0_30355684_19751\Main.java:4: 错误: 需要class, interface或enum
int main()
^
0_0_30355684_19751\Main.java:7: 错误: 需要class, interface或enum
}
^
4 个错误