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From: Lew <lewbloch@gmail.com>
Newsgroups: comp.lang.java.programmer
Subject: Re: Locale.getDefault bug in JDK 1.7
Date: Mon, 22 Aug 2011 12:40:38 -0700 (PDT)
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<sscce source="tryout/Localizer.java">
package tryout;

import java.util.Locale;

/**
 * Try out Locale tricks.
 * Invocations to try:
 *  java tryout.Localizer
 *  java -Duser.language=fr tryout.Localizer
 *  java -Duser.language=fr -Duser.country=CA tryout.Localizer
 */
public class Localizer {
  /** main method.
   * @param args String [] arguments.
   */
  public static void main(String [] args) {
    System.out.println("");
    System.out.println("user.language = " + System.getProperty("user.language"));
    System.out.println(" user.country = " + System.getProperty("user.country"));
    System.out.println(" user.variant = " + System.getProperty("user.variant"));

    System.out.println("");
    System.out.println("default");
    display(Locale.getDefault());
    
    System.out.println("");
    System.out.println("Set default to CANADA");
    Locale.setDefault(Locale.CANADA);
    display(Locale.getDefault());
    
    System.out.println("");
    System.out.println("Set default to FRANCE");
    Locale.setDefault(Locale.FRANCE);
    display(Locale.getDefault());
    
    System.out.println("");
    System.out.println("Set default to CANADA_FRENCH");
    Locale.setDefault(Locale.CANADA_FRENCH);
    display(Locale.getDefault());
    
    System.out.println("");
    System.out.println("Display CANADA");
    display(Locale.CANADA);
    
    System.out.println("");
    System.out.println("Display FRANCE");
    display(Locale.FRANCE);
    
    System.out.println("");
    System.out.println("Display CANADA_FRENCH");
    display(Locale.CANADA_FRENCH);
    
  }

  private static void display(Locale locale) {
    System.out.println("Locale = " + locale.toString() 
        + " language = \"" + locale.getLanguage() + "\" country = \"" 
        + locale.getCountry() + "\" variant = \"" + locale.getVariant() + "\"");
  }
}
</sscce>