openCsv sample function

public void readCsv(String fileName, int passHead) {
  CSVReader reader;
  try {
   reader = new CSVReader(new FileReader(fileName));
   String [] nextLine;
   for(int i=0; i<passHead; i++) reader.readNext();
      while ((nextLine = reader.readNext()) != null) {
          System.out.println(nextLine[0]);
          System.out.println(nextLine[1]);
      }
  } catch (Exception e) {
   e.printStackTrace();
  }
 }
 
 public void writeCsv(String fileName) {
 
  try {
   CSVWriter writer;
   writer = new CSVWriter(new FileWriter(fileName));
      String[] entries = new String[10];
      entries = "first#second#third".split("#");
    writer.writeNext(entries);
   writer.close();
  } catch (IOException e) {
   e.printStackTrace();
  }
 }