View Compilation Error

0_0_15038074_6498\Main.java:2: 错误: 需要class, interface或enum
public Main{
       ^
0_0_15038074_6498\Main.java:3: 错误: 需要class, interface或enum
  public static void main(String args[]){
                ^
0_0_15038074_6498\Main.java:5: 错误: 需要class, interface或enum
       while(sc.hasNext()){
       ^
0_0_15038074_6498\Main.java:7: 错误: 需要class, interface或enum
        int sum=0;
        ^
0_0_15038074_6498\Main.java:8: 错误: 需要class, interface或enum
        for(int i=1;i<=n;i++){
        ^
0_0_15038074_6498\Main.java:8: 错误: 需要class, interface或enum
        for(int i=1;i<=n;i++){
                    ^
0_0_15038074_6498\Main.java:8: 错误: 需要class, interface或enum
        for(int i=1;i<=n;i++){
                         ^
0_0_15038074_6498\Main.java:10: 错误: 需要class, interface或enum
          }
          ^
0_0_15038074_6498\Main.java:12: 错误: 需要class, interface或enum
       System.out.println();
       ^
0_0_15038074_6498\Main.java:13: 错误: 需要class, interface或enum
      }
      ^
10 个错误