Java读文件

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import java.io.DataInputStream;
import java.io.FileInputStream;

public class test{
public static void main(String args[]){
   java.lang.String fileName = "C://test.csv";
   java.io.File objFile = new java.io.File(fileName);
   String record = "";
   String [] oneRecord = new String[1000];
   int recnumber = 0;

   int j = 0;
   int index = 0;
   try{
       FileInputStream fis = new FileInputStream(objFile);
       DataInputStream istream = new DataInputStream(fis);
   while (objFile.exists() ){
       record = istream.readLine();
       if(!record.equals("")){
           int komokunumber = 0;
           oneRecord[recnumber] = record;
           System.out.println(" oneRecord[" + recnumber + "]" + record);

           do
           {
               ++komokunumber;
               ++index;
               index = record.indexOf(',', index);
           }while(index != -1);
           String[][] komoku= new String[1000][8];
           index = 0;
           int endindex = 0;
           for (int i=0; i< 8;i++ ){
               endindex = record.indexOf(',', index);
               if (endindex == -1 || i > 6)
                   komoku[recnumber][i] = record.substring(index);
                  else
                   komoku[recnumber][i] = record.substring(index,endindex);
               index = endindex + 1;
               System.out.println(" success:"+ komoku[recnumber][i]);
           }
           recnumber++;
       }
   }
  } catch(Exception e) {

  }
}
}