View Compilation Error

0_0_39220226_10694\Main.java:7: 错误: 需要class, interface或enum
    public static void main(String[] args) {
                  ^
0_0_39220226_10694\Main.java:9: 错误: 需要class, interface或enum
        while (sc.hasNext()) {
        ^
0_0_39220226_10694\Main.java:11: 错误: 需要class, interface或enum
            char[] chars = str.toCharArray();
            ^
0_0_39220226_10694\Main.java:12: 错误: 需要class, interface或enum
            Arrays.sort(chars);
            ^
0_0_39220226_10694\Main.java:13: 错误: 需要class, interface或enum
            for (int i = 0; i < chars.length; i++) {
            ^
0_0_39220226_10694\Main.java:13: 错误: 需要class, interface或enum
            for (int i = 0; i < chars.length; i++) {
                            ^
0_0_39220226_10694\Main.java:13: 错误: 需要class, interface或enum
            for (int i = 0; i < chars.length; i++) {
                                              ^
0_0_39220226_10694\Main.java:16: 错误: 需要class, interface或enum
                } else {
                ^
0_0_39220226_10694\Main.java:18: 错误: 需要class, interface或enum
                }
                ^
9 个错误