import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.util.Locale;
 
class Main {
    public static void main(String args[]) {
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("uuuu-MM-dd HH:mm:ss.SSS", Locale.ENGLISH);
        // Replace ZoneId.systemDefault() with the applicable ZoneId e.g.
        // ZoneId.of("America/New_York")
        LocalDateTime ldt = LocalDateTime.now(ZoneId.systemDefault());
        String formattedDateTimeStr = ldt.format(formatter);
        System.out.println(formattedDateTimeStr);
    }
}

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