题解 | #简单错误记录#

import java.util.Scanner;
import java.util.LinkedHashMap;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        LinkedHashMap<String, Integer> map = new LinkedHashMap<String, Integer>();
        while (in.hasNextLine()) { // 注意 while 处理多个 case
            String inputStr = in.nextLine();
            String str = getString(inputStr);
            // System.out.println(getString(inputStr));

            map.put(str, map.getOrDefault(str, 0) + 1);
        }

        int i = 0;
        int startIndex = map.size() - 8;
        for (String str : map.keySet()) {
            i++;
            if (i > startIndex) {
                System.out.println(str + " " + map.get(str));
            }
        }
    }

    public static String getString(String inputString) {
        String result = new String();
        String[] tempStrings = inputString.split("\\\\");
        String tempString = tempStrings[tempStrings.length - 1];
        String[] tempStrings2 = tempString.split(" ");
        String tempString2 = tempStrings2[0];

        if (tempString2.length() <= 16) {
            result = tempString;
        } else {
            result = tempString2.substring(tempString2.length() - 16,
                                           tempString2.length()) + " " + tempStrings2[1];
        }

        return result;
    }
}