package  test;import java.io.BufferedReader;import java.io.File;import java.io.FileInputStream;import java.io.InputStreamReader;import java.util.Map;import java.util.TreeMap;public class Count {        public static void main(String[] args) throws Exception {        File file = new File("d:/kht_d2.log");        BufferedReader in = new BufferedReader(                new InputStreamReader(                        new FileInputStream(file), "UTF-8"));        Map<String, Integer> map = read(in);        for(String str : map.keySet()) {            System.out.println(str + "=" + map.get(str));        }        in.close();    }        public static Map<String, Integer> read(BufferedReader in) throws Exception {        Map<String, Integer> map = new TreeMap<String, Integer>();        String str = null;        int count = 0;        while((str = in.readLine()) != null) {            if(str.length() > 20 && (str.indexOf("") != -1 )) {                String date = str.substring(str.indexOf(":") + 1,                        str.indexOf(":") + 11);                if(map.get(date) == null) {                    count = 0;                    map.put(date, ++count);                } else {                    map.put(date, ++count);                }            }        }        return map;    }    }