View Compilation Error

0_0_38427495_20753\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args) {
              ^
0_0_38427495_20753\Main.java:4: 错误: 需要class, interface或enum
        while(in.hasNextLine()){
        ^
0_0_38427495_20753\Main.java:6: 错误: 需要class, interface或enum
            int sum = 0;
            ^
0_0_38427495_20753\Main.java:7: 错误: 需要class, interface或enum
            for(int i = 1; i <= n; i++){
            ^
0_0_38427495_20753\Main.java:7: 错误: 需要class, interface或enum
            for(int i = 1; i <= n; i++){
                           ^
0_0_38427495_20753\Main.java:7: 错误: 需要class, interface或enum
            for(int i = 1; i <= n; i++){
                                   ^
0_0_38427495_20753\Main.java:9: 错误: 需要class, interface或enum
            }
            ^
0_0_38427495_20753\Main.java:11: 错误: 需要class, interface或enum
        }
        ^
8 个错误