View Compilation Error

0_0_37279790_16390\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args) {
              ^
0_0_37279790_16390\Main.java:3: 错误: 需要class, interface或enum
        System.out.println("请输入年份");
        ^
0_0_37279790_16390\Main.java:4: 错误: 需要class, interface或enum
        int year = ac.nextInt();
        ^
0_0_37279790_16390\Main.java:5: 错误: 需要class, interface或enum
        int num = 0;
        ^
0_0_37279790_16390\Main.java:6: 错误: 需要class, interface或enum
        Integer[] numArr = new Integer[55];
        ^
0_0_37279790_16390\Main.java:7: 错误: 需要class, interface或enum
        for (int i=1;i<=year;i++){
        ^
0_0_37279790_16390\Main.java:7: 错误: 需要class, interface或enum
        for (int i=1;i<=year;i++){
                     ^
0_0_37279790_16390\Main.java:7: 错误: 需要class, interface或enum
        for (int i=1;i<=year;i++){
                             ^
0_0_37279790_16390\Main.java:10: 错误: 需要class, interface或enum
            }else{
            ^
0_0_37279790_16390\Main.java:12: 错误: 需要class, interface或enum
            }
            ^
0_0_37279790_16390\Main.java:15: 错误: 需要class, interface或enum
    }
    ^
11 个错误