TimeFormate

LocalTimeDate to String

// Get the current LocalDateTime
LocalDateTime dateTime = LocalDateTime.now();
// Define the formatter for the desired output format
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
// Format the LocalDateTime to String
String formattedDateTime = formatter.format(dateTime);
System.out.println( formattedDateTime);

// or one
//String formattedDateTime = formatter.format(dateTime);
String stringDate = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")
                                    .format(LocalDateTime.now());
System.out.println(stringDate);

String to LocalTimeDate 

String strDateTime = "2024-03-28 15:30:45";
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
LocalDateTime dateTime = LocalDateTime.parse(strDateTime, formatter);
// Print the LocalDateTime
System.out.println("Parsed LocalDateTime: " + dateTime);

//or
// LocalDateTime dateTime = LocalDateTime.parse(strDateTime, formatter);
LocalDateTime newdateTime = LocalDateTime.parse("2025-03-28 15:30:45",
                        DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));

System.out.println(newdateTime);