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armaandhir/TimeConversions.java

Last active November 12, 2020 08:02
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TimeConversions.java
public void testDates() throws ParseException {
// Desired Format in all scenarios
DateTimeFormatter fmt = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
//Sample string we recieve
String runTime = "2020-10-26T00:07:35.965030-04:00[America/Toronto]";
//converting to LocalDateTime for usage
LocalDateTime localDateTimeOut = ZonedDateTime.parse(runTime).toLocalDateTime();
System.out.println("LocalDateTime to String without format: " + localDateTimeOut.toString());
// Now convert LocalDateTime to String of format "yyyy-MM-dd hh:mm:ss"
String timeString = localDateTimeOut.format(fmt);
System.out.println("LocalDateTime to String with format: " + localDateTimeOut.format(fmt));
// We dont need this
Date date = java.util.Date.from(localDateTimeOut.atZone(ZoneId.systemDefault()).toInstant());
System.out.println("LocalDateTime to Date without format: " + date);
// Converting string in format to Date
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
System.out.println(format.parse(timeString));
//LocalDateTime dateTime = LocalDateTime.parse(localDateTimeOut, fmt);
//String dateAsString = dateTime.format(fmt);
//System.out.println(dateAsString);
}
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