Ruang untuk merangkai pengetahuan, satu baris kode setiap hari.
Temukan tutorial, ide, dan catatan dari perjalanan belajar.
Pelajari alur filter, map, dan collect untuk mengolah data Java dengan kode yang mudah dibaca.
In the following code snippet, you will see how to pass some connection arguments when connecting to a database. To do this, we can use the java.util.Properties class. We can put some key value pairs as a connection arguments to the Properties object before we pass this information into the DriverManager class. Let’s see the […]
package org.kodejava.example.util; import java.util.Hashtable; import java.util.Random; public class HashtableGetRandom { public static void main(String[] args) { // Create a hashtable and put some key-value pair. Hashtable<String, String> colors = new Hashtable<>(); colors.put("black", "#000"); colors.put("red", "#f00"); colors.put("green", "#0f0"); colors.put("blue", "#00f"); colors.put("white", "#fff"); // Get a random entry from the hashtable. String[] keys = colors.keySe...
In this code snippet you’ll see how to define JRadioButton label position. By default, the label will be displayed on the right side of the button. In the code below you will see some examples for placing the label on the left side, at the top and the bottom of the JRadioButton. To define the […]
package org.kodejava.regex; public class GetNumberOfWordsFromString { public static void main(String[] args) { String text = "The quick brown fox jumps over the lazy dog."; String one = truncateAfterWords(1, text); System.out.println("1 = " + one); String two = truncateAfterWords(2, text); System.out.println("2 = " + two); String four = truncateAfterWords(4, text); System.out.println("4 = " + four); String […]
package org.kodejava.io; import java.io.IOException; import java.nio.file.*; import static java.nio.file.StandardWatchEventKinds.*; public class WatchServiceGetFilename { public static void main(String[] args) { try { // Create a WatchService and register the logDir path with the // WatchService for ENTRY_CREATE. WatchService watcher = FileSystems.getDefault().newWatchService(); Path logDir = Paths.get("F:/Temp"); logDir.register(watcher, ENTRY_CREATE); while (true) { WatchKe...
package org.kodejava.io; import java.io.IOException; import java.nio.file.*; import static java.nio.file.StandardWatchEventKinds.*; public class FileWatchDemo { public static void main(String[] args) { try { // Creates a instance of WatchService. WatchService watcher = FileSystems.getDefault().newWatchService(); // Registers the logDir below with a watch service. Path logDir = Paths.get("F:/Temp/"); logDir.register(watcher, ENTRY_CREATE, ENTRY_MODIFY, ENTRY_DELETE); // Monito...
Simpan rasa ingin tahu. Selalu ada hal baru untuk dipelajari.
Penulis dan pendiri Diary Coding — berbagi catatan, tutorial, dan pengalaman seputar pemrograman untuk siapa pun yang ingin terus belajar.