The purpose of International (I18N) is to provide a more user-friendly way to change the language of label or messages in a program. The following are important class in Java Internationalization (I18N) (1) java.util.ResourceBundle (2) java.util.Locale (3) java.text.MessageFormat (A) The following code could obtain all locale supported by JAVA:
package com.easyinfo100; import java.util.Locale; public class LocaleList { public static void main(String[] args) { // Get All supported locale Locale[] localeList = Locale.getAvailableLocales(); // loop throuth each locale and get language and country for (int i = 0; i < localeList.length; i++) { System.out.println(localeList[i].getDisplayCountry() + "=" + localeList[i].getCountry() + " " + localeList[i].getDisplayLanguage() + "=" + localeList[i].getLanguage()); } } }(B) The following example is a simple example of Intenrationalization
import java.util.Locale; import java.util.ResourceBundle; public class Hello { public static void main(String[] args) { // get default locale Locale myLocale = Locale.getDefault(); // get resource bundle of default locale ResourceBundle bundle1 = ResourceBundle.getBundle("mess", myLocale); // get resource bundle of specific locale ResourceBundle bundle2 = ResourceBundle.getBundle("mess", Locale.US); // print out the resource properties System.out.println(bundle1.getString("hello")); System.out.println(bundle2.getString("hello")); } }
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