Using the JDK 6 ResourceBundle class : ResourceBundle « I18N « Java Tutorial

1. Java Tutorial
2. I18N
3. ResourceBundle

import java.util.Locale;
import java.util.ResourceBundle;
import java.util.Set;

public class RBPropDemo {
  public static void main(String[] args) {
    ResourceBundle.clearCache();
    String bundleName = "myproj.MyResources";

    ResourceBundle myResources = ResourceBundle.getBundle(bundleName, Locale.GERMAN);

    System.out.println("Key's values:");
    System.out.println(myResources.getString("okKey"));
    System.out.println(myResources.getString("cancelKey"));
    System.out.println(myResources.getString("submitKey"));
    System.out.println("\nChecking okKey in resource bundle:");
    if (myResources.containsKey("okKey")) {
      System.out.println("okKey exists! " + " Value = " + myResources.getString("okKey"));
    } else {
      System.out.println("The key Doesn't Exist");
    }

    System.out.println("\nGet a set of keys:");
    Set<String> keySet = myResources.keySet();
    Object[] keys = keySet.toArray();
    for (int i = 0; i < keys.length; i++) {
      System.out.println("Key " + (i + 1) + " = " + keys[i]);
    }
  }
}