This Util Class holds a method that converta an ArrayList to
to Comma Separated String.

public CommaDelimtedStringToArray {

 /**
  * This method Coverts the CommaDelimited String to String Array.
  *
  */
    public String[] commaDelimetedStringToArray (String str) {
  System.out.println(" stringToArray  :: " + str);
  String[] strArray = null;
  if (str != null && str.trim().length() > 0) {
   StringTokenizer objStrToken = new StringTokenizer(str, ",");
   strArray = new String[objStrToken.countTokens() + 1];
   int i = 0;
   while (objStrToken.hasMoreTokens()) {
    strArray[i] = objStrToken.nextToken();
    // System.out.println(objStrToken.nextToken());
    i++;
   }

  }
  return strArray;
 }
}

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