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View Compilation Error

0_0_39766782_18149\Main.java:1: 错误: 需要class, interface或enum
 public static void main(String[] args) {
               ^
0_0_39766782_18149\Main.java:3: 错误: 需要class, interface或enum
            int n = scanner.nextInt(); // 读取测试实例的个数
            ^
0_0_39766782_18149\Main.java:4: 错误: 需要class, interface或enum
            scanner.nextLine(); // 读取换行符
            ^
0_0_39766782_18149\Main.java:6: 错误: 需要class, interface或enum
            for (int i = 0; i < n; i++) {
            ^
0_0_39766782_18149\Main.java:6: 错误: 需要class, interface或enum
            for (int i = 0; i < n; i++) {
                            ^
0_0_39766782_18149\Main.java:6: 错误: 需要class, interface或enum
            for (int i = 0; i < n; i++) {
                                   ^
0_0_39766782_18149\Main.java:8: 错误: 需要class, interface或enum
                int count = countDigits(line);
                ^
0_0_39766782_18149\Main.java:9: 错误: 需要class, interface或enum
                System.out.println(count);
                ^
0_0_39766782_18149\Main.java:10: 错误: 需要class, interface或enum
            }
            ^
0_0_39766782_18149\Main.java:13: 错误: 需要class, interface或enum
        }
        ^
0_0_39766782_18149\Main.java:17: 错误: 需要class, interface或enum
            for (char c : str.toCharArray()) {
            ^
0_0_39766782_18149\Main.java:20: 错误: 需要class, interface或enum
                }
                ^
0_0_39766782_18149\Main.java:23: 错误: 需要class, interface或enum
        }
        ^
13 个错误


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