I-Java Thola Isikhathi Sosuku Lwamanje

/ Ungaluthola kanjani usuku nesikhathi samanje kuJava? Kulesi sifundo sizobheka izindlela ezintathu ezihlukene ku-Java 8.

Amakilasi asetshenziselwe ukubonisa usuku nesikhathi yi LocalDate, LocalTime, LocalDateTime.



Thola Usuku Lwamanje

I- LocalDate isigaba sisetshenziselwa ukumela usuku.


GetCurrentDate.java

import java.time.LocalDate; public class GetCurrentDate {
public static void main(String[] args) {
LocalDate now = LocalDate.now();
System.out.println(now.toString());
} }

Lokukhipha:


2020-02-07

Usuku Olwakhiwe

Singasebenzisa DateTimeFormatter class ukufometha ukuboniswa kosuku. Isibonelo ukubonisa idethi yamanje ngefomethi ye- yyyy/mm/dd sisebenzisa:

import java.time.LocalDate; import java.time.format.DateTimeFormatter; public class GetCurrentDate {
public static void main(String[] args) {
LocalDate now = LocalDate.now();
System.out.println(now.format(DateTimeFormatter.ofPattern('yyyy/MM/dd')));
} }

Lokukhipha:

2020/02/07

LocalDate isigaba sinezinye izindlela ezilusizo esingazisebenzisa ukuthola imininingwane eminingi ngedethi yamanje njenge: getDayOfWeek(), getDayOfMonth(), getDayOfYear()

import java.time.LocalDate; public class GetCurrentDate {
public static void main(String[] args) {
LocalDate now = LocalDate.now();
System.out.println('Today's date: ' + now.toString());
System.out.println('Day of week: ' + now.getDayOfWeek().toString());
System.out.println('Day of month: ' + now.getDayOfMonth());
System.out.println('Day of year: ' + now.getDayOfYear());
} }

Lokukhipha:


Today's date: 2020-02-07 Day of week: FRIDAY Day of month: 7 Day of year: 38

Thola Isikhathi Samanje

I- LocalTime isigaba simele isikhathi.

GetCurrentTime.java

import java.time.LocalTime; import java.time.format.DateTimeFormatter; public class GetCurrentTime {
public static void main(String[] args) {
LocalTime now = LocalTime.now();
System.out.println('Time now: ' + now.toString());
System.out.println('Formatted time: ' + now.format(DateTimeFormatter.ofPattern('HH:mm:ss')));
} }
Qaphela:Singasebenzisa UsukuTimeFormatter ukufometha ukuboniswa kwesikhathi.

Lokukhipha:

Time now: 00:02:53.313 Formatted time: 00:02:53

LocalTime ikilasi futhi linezindlela ezithile ezilusizo zokuthola imininingwane eminingi mayelana nesikhathi samanje:


import java.time.LocalTime; public class GetCurrentTime {
public static void main(String[] args) {
LocalTime now = LocalTime.now();
System.out.println('Current hour: ' + now.getHour());
System.out.println('Current minute: ' + now.getMinute());
System.out.println('Current second: ' + now.getSecond());
} }

Lokukhipha:

Current hour: 0 Current minute: 10 Current second: 16

Thola Isikhathi Sosuku Lwamanje

Ukuthola usuku lwamanje futhi isikhathi, singasebenzisa LocalDateTime isigaba

package io.devqa.tutorials; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; public class GetCurrentTime {
public static void main(String[] args) {
LocalDateTime now = LocalDateTime.now();
System.out.println(now.format(DateTimeFormatter.ofPattern('yyyy/MM/dd - HH:mm:ss')));
System.out.println('Day of month: ' + now.getDayOfMonth());
System.out.println('Current hour: ' + now.getHour());
} }

Lokukhipha:

2020/02/08 - 00:18:12 Day of month: 8 Current hour: 0