一行或多行字符串。每行包括带路径文件名称，行号，以空格隔开。文件路径为windows格式如：E:V1R2productfpgadrive.c 1325

将所有的记录统计并将结果输出，格式：文件名代码行数数目，一个空格隔开，如: fpgadrive.c 1325 1 结果根据数目从多到少排序，数目相同的情况下，按照输入第一次出现顺序排序。如果超过8条记录，则只输出前8条记录.如果文件名的长度超过16个字符，则只输出后16个字符

import java.util.*;public class Main {public static void main(String[] args){Scanner sc=new Scanner(System.in);HashMap<String,ErrLog> map=new HashMap<>();String file=null;int lastIndex=0;int errorLine=0;String key=null;ErrLog errLog=null;StringBuilder sb=new StringBuilder();while(sc.hasNext()) {file=sc.next();errorLine=sc.nextInt();lastIndex=file.lastIndexOf("");sb.append(lastIndex<0?file:file.substring(lastIndex+1)).append(" ").append(errorLine);key=sb.toString();sb.setLength(0);errLog=map.get(key);if(errLog==null){map.put(key,new ErrLog(key,1));}else {errLog.size++;}}sc.close();ArrayList<ErrLog> list=new ArrayList<ErrLog>(map.values());Comparator<ErrLog> cmp=new Comparator<ErrLog>() {@Overridepublic int compare(ErrLog o1, ErrLog o2) {return o2.size==o1.size?(o1.queueMark-o2.queueMark):(o2.size-o1.size);}};Collections.sort(list,cmp);int len=list.size()<8?list.size():8;for(int i=0;i<len;i++){errLog=list.get(i);lastIndex=errLog.name.lastIndexOf(" ");lastIndex=lastIndex-16<0?0:lastIndex-16;System.out.println((lastIndex==0? errLog.name:errLog.name.substring(lastIndex))+" "+errLog.size);}}}class ErrLog{static int mark;String name;//文件名+错误行号int queueMark;//标记出现的顺序int size;//统计出现错误的的次数public ErrLog(String name,int size){super();this.name=name;this.size=size;this.queueMark=mark++;}
}

import java.util.*;
public class Main {public static void main(String[] args) {Scanner sc = new Scanner(System.in);Map<String, Integer> map = new LinkedHashMap<>();while (sc.hasNextLine()) {String s = sc.nextLine();if(s == null || "".equals(s)) break;String[] split = s.split(" ");String key = split[0].substring(split[0].lastIndexOf('') + 1) + " " + split[1];map.put(key, map.containsKey(key) ? map.get(key) + 1 : 1);}List<Map.Entry<String, Integer>> list = new ArrayList<>(map.entrySet());Collections.sort(list, new Comparator<Map.Entry<String, Integer>>() {@Overridepublic int compare(Map.Entry<String, Integer> o1, Map.Entry<String, Integer> o2) {return o2.getValue().compareTo(o1.getValue());}});for (int i = 0; i < 8; i ++) {String[] split = list.get(i).getKey().split(" ");if(split[0].length() > 16) split[0] = split[0].substring(split[0].length() - 16);System.out.println(split[0] + " " + split[1] + " " + list.get(i).getValue());}}
}