View Compilation Error

1018008_0_0_14558\Main.java:1: 需要 "class" 或 "interface"
[sell=50]#include<iostream> 
^
1018008_0_0_14558\Main.java:1: 非法字符： \35
[sell=50]#include<iostream> 
         ^
1018008_0_0_14558\Main.java:3: 需要 "class" 或 "interface"
struct big 
^
1018008_0_0_14558\Main.java:7: 需要 "class" 或 "interface"
void main() 
^
4 错误