Date : LocalDateTimeClass

public class LocalDateTimeClass {


    public static void main(String[] args) {
        LocalDateTime now = LocalDateTime.now();        System.out.println("Before Formatting: " + now);        DateTimeFormatter format = DateTimeFormatter.ofPattern("dd-MM-yyyy HH:mm:ss");        String formatDateTime = now.format(format);        System.out.println("After Formatting: " + formatDateTime);
        // now()        LocalDateTime datetime1 = LocalDateTime.now();        DateTimeFormatter format1 = DateTimeFormatter.ofPattern("dd-MM-yyyy HH:mm:ss");        String formatDateTime1= datetime1.format(format1);        System.out.println(formatDateTime1);
        // get()        LocalDateTime a = LocalDateTime.of(2017, 2, 13, 15, 56);        System.out.println(a.get(ChronoField.DAY_OF_WEEK));        System.out.println(a.get(ChronoField.DAY_OF_YEAR));        System.out.println(a.get(ChronoField.DAY_OF_MONTH));        System.out.println(a.get(ChronoField.HOUR_OF_DAY));        System.out.println(a.get(ChronoField.MINUTE_OF_DAY));
        //minusDay()        LocalDateTime datetime2 = LocalDateTime.of(2017, 1, 14, 10, 34);        LocalDateTime datetime3 = datetime2.minusDays(100);        System.out.println("Before Formatting: " + datetime2);        DateTimeFormatter format2 = DateTimeFormatter.ofPattern("dd-MM-yyyy HH:mm");        String formatDateTime2 = datetime3.format(format2);        System.out.println("After Formatting: " + formatDateTime2 );
        // plusDay()        LocalDateTime datetime4 = LocalDateTime.of(2017, 1, 14, 10, 34);        LocalDateTime datetime5 = datetime4.plusDays(120);        System.out.println("Before Formatting: " + datetime5);        DateTimeFormatter format3 = DateTimeFormatter.ofPattern("dd-MM-yyyy HH:mm");        String formatDateTime3 = datetime2.format(format3);        System.out.println("After Formatting: " + formatDateTime3 );    }
}