Java: Date formatting in java using SimpleDateFormat

Date formatting in java:

public static Calendar parseTimestamp(String timestamp,Locale locale)
    throws Exception {
   
   SimpleDateFormat sdf = new SimpleDateFormat
     ("dd-MMM-yyyy HH:mm:ss", locale);
   Date d = sdf.parse(timestamp);

   Calendar cal = Calendar.getInstance();
   cal.setTime(d);
   return cal;

 }


public String getStrDate(Date date,String format, Locale locale) {
 SimpleDateFormat formatter;
 String str = "";

 formatter = new SimpleDateFormat(format, locale);
 if (this.getDate() != null) {
  str = formatter.format(date.getTime());
 }
 return str;
}