Stringindexoutofbound exception

Question

am getting the followg error in my code
java.lang.StringIndexOutOfBoundsException: String index out of range: 2
tel me how to handle tat error
Thank u...

Answer 1

hi flounder
wat am doing in program is comparg two sentences and removg same sentence.
To compare am using tagger it ll tell the parts of speech(pos) in a sent like(noun,verb)
Am maintaing one set(file) of important pos like noun,verb. Am takig one sent noun and comparing
it with second sent noun .Am maintaing sum percent(above 60%) to tel sent is equal or not. This my logic . The code is big i can provide u wher am getting error.Tell me if i compare comma, fullstop, colon in sentences i may possib to get tat error
boolean isEqual(String sen1[],String sen2[])
          try
               String line;
               double noOfPOS1=0;
               double noOfPOS2=0;
               double noOfMatches=0;
               for(int i=0;sen1!=null;i++)
                    String words1[]=sen1[i].split(":");
                    BufferedReader br=new BufferedReader(new FileReader("POS.txt"));
                    while((line=br.readLine())!=null)
                         if(words1[0].length()<2)continue;
                         if(words1[0].substring(0,2).equalsIgnoreCase(line.substring(0,2)))
                              noOfPOS1++;
                              for(int j=0;sen2[j]!=null;j++)
                                   String words2[]=sen2[j].split(":");
                                   if(words1[2].equalsIgnoreCase(words2[2]))
                                        noOfMatches++;
                                   else
                                   if(isMatchedInDictionary(words1[2],words2[2]))
                                        noOfMatches++;
                    br.close();
               for(int i=0;sen2[i]!=null;i++)
                    String words2[]=sen2[i].split(":");
                    BufferedReader br=new BufferedReader(new FileReader("POS.txt"));
                    while((line=br.readLine())!=null)
                         if(words2[0].length()<1)continue;
                         if(words2[0].substring(0,2).equalsIgnoreCase(line.substring(0,2)))
                              noOfPOS2++;
                              System.out.println("---->"+line.substring(0,2)+"--->"+line.substring(0,2));
                              System.out.println("Sentence2 matched in POS : "+noOfPOS2);
                    br.close();
               System.out.println("\n--------------------------------------");
               System.out.println("Sentence1 matched in POS"+noOfPOS1);
               System.out.println("Sentence2 matched in POS"+noOfPOS2);
               System.out.println("No of matches :"+noOfMatches);
               int sen1Percent=(int)(((noOfMatches/noOfPOS1))*100);
               int sen2Percent=(int)((noOfMatches/noOfPOS2)*100);
               int totalPercent=(sen1Percent+sen2Percent)/2;
               System.out.println(sen1Percent+"<->"+sen2Percent);
               System.out.println("Total Percent : "+totalPercent);
               if(totalPercent>=60)return true;
          catch(Exception e)
               System.out.println("isEqual:\n"+e);
          return false;