import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeFormatterBuilder;
import java.time.temporal.ChronoField;
import java.util.Locale;
 
public class Main {
	public static void main(String[] args) {
		String strDateTime = "2020-05-07-10.05.05.301011";
 
		DateTimeFormatter dtf = new DateTimeFormatterBuilder()
								.append(DateTimeFormatter.ISO_LOCAL_DATE)
								.appendLiteral("-")
								.appendPattern("HH.mm.ss")
								.appendFraction(ChronoField.NANO_OF_SECOND, 0, 9, true)
								.toFormatter(Locale.ENGLISH);
 
		LocalDateTime ldt = LocalDateTime.parse(strDateTime, dtf);
		System.out.println(ldt);
	}
}

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