Java by API/java.util/ResourceBundle

ResourceBundle: getBundle(String baseName)

 
import java.util.MissingResourceException;
import java.util.ResourceBundle;
public class MainClass {
  public static void main(String args[]) throws Exception {
    ResourceBundle resources;
    try {
      resources = ResourceBundle.getBundle("MyData");
      System.out.println(resources.getString("Hi"));
    } catch (MissingResourceException mre) {
      System.err.println("MyData.properties not found");
    }
  }
}

//File: MyData.properties
/*
Hi = Hello World!
*/

//File: MyData_fr.properties
/*
Hi = Salut tout le monde!
*/

ResourceBundle: getBundle(String baseName, Locale locale)

 
import java.util.Locale;
import java.util.ResourceBundle;
public class Main {
  public static void main(String[] args) {
    ResourceBundle bundle = ResourceBundle.getBundle("MessagesBundle", Locale.UK);
    System.out.println("Message in " + Locale.UK + ": " + bundle.getString("greeting"));
    Locale.setDefault(new Locale("in", "ID"));
    bundle = ResourceBundle.getBundle("MessagesBundle");
    System.out.println("Message in " + Locale.getDefault() + ": " + bundle.getString("greeting"));
  }
}
 
Example of our resource bundle files, 
MessagesBundle_en_GB.properties
greeting=Hello, how are you?
MessagesBundle_in_ID.properties
greeting=Halo, apa kabar?

ResourceBundle: getString(String key)

 
import java.util.MissingResourceException;
import java.util.ResourceBundle;
public class MainClass {
  public static void main(String args[]) throws Exception {
    ResourceBundle resources;
    try {
      resources = ResourceBundle.getBundle("MyData");
      System.out.println(resources.getString("Hi"));
    } catch (MissingResourceException mre) {
      System.err.println("MyData.properties not found");
    }
  }
}

//File: MyData.properties
/*
Hi = Hello World!
*/

//File: MyData_fr.properties
/*
Hi = Salut tout le monde!
*/