import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Locale;

public class Main {
	public static void main(String[] args) {
		DateTimeFormatter dtf = DateTimeFormatter.ofPattern(
				"u-M-d H:m:s[.[SSSSSSSSS][SSSSSSSS][SSSSSSS][SSSSSS][SSSSS][SSSS][SSS][SS][S]]", Locale.ENGLISH);
		String strDateTime = "2021-07-24 18:11:33.0";
		LocalDateTime ldt = LocalDateTime.parse(strDateTime, dtf);
		System.out.println(ldt);
	}
}