View Compilation Error

0_0_39349317_24009\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args){
              ^
0_0_39349317_24009\Main.java:3: 错误: 需要class, interface或enum
        int n=sc.nextInt();
        ^
0_0_39349317_24009\Main.java:5: 错误: 需要class, interface或enum
        double sum=0;
        ^
0_0_39349317_24009\Main.java:6: 错误: 需要class, interface或enum
        for(int i=1;i<=n;i++){
        ^
0_0_39349317_24009\Main.java:6: 错误: 需要class, interface或enum
        for(int i=1;i<=n;i++){
                    ^
0_0_39349317_24009\Main.java:6: 错误: 需要class, interface或enum
        for(int i=1;i<=n;i++){
                         ^
0_0_39349317_24009\Main.java:9: 错误: 需要class, interface或enum
            sum+=Math.log((double)i)/Math.log((double)10);
            ^
0_0_39349317_24009\Main.java:10: 错误: 需要class, interface或enum
        }
        ^
0_0_39349317_24009\Main.java:12: 错误: 需要class, interface或enum
    }
    ^
9 个错误