java - printing a split string -

i trying print string in following format. ua, login, login ---> ua, navigation, fault average = 500 milliseconds. storing 2 strings 1 string called keystring , putting hashmap seperated "|". splitting when iterating on keyset in format stated showing ---> ua, ctiq, export|ua, ctiq export, transfer average = 600 milliseconds. ideas?

  public static void processlines(map<string, numberholder> uacount,string firstline, string secondline) throws parseexception    {     string [] arr1 = firstline.split("-- ", 2);     string [] arr2 = secondline.split("-- ", 2);     string str1 = arr1[1];     string str2 = arr2[1];       ......     string keystring = str1 + "|" + str2;                    numberholder hashvalue = uacount.get(keystring);      if(hashvalue == null)      {         hashvalue = new numberholder();         uacount.put(keystring, hashvalue);                            }      hashvalue.sumtime_in_milliseconds += diffmilliseconds;      hashvalue.occurences++;       public static class numberholder      {       public int occurences;       public int sumtime_in_milliseconds;             } 

and heres printing part

 for(string str : uacount.keyset())     {         string [] arr = str.split("|",2);          long average = uacount.get(str).sumtime_in_milliseconds / uacount.get(str).occurences;          //system.out.println(str);          system.out.println(arr[0] + " ---> " + arr[1] + " average = " + average + " milliseconds");     } 

split uses regular expression match place split, , in "regex" | means or. use | literal need escape \ in string written "\\". alternatively can use [|]. try

str.split("\\|",2);