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Change language according to the locale
Posted on: September 13, 2008 at 12:00 AM

This Example shows you how to change language according to the locale. In the code given below we have changed language according to the locale.

Change language according to the locale

This Example shows you how to change language according to the locale. In the code given below we have changed language according to the locale.

Methods used in this example are described below :

ResourceBundle.getBundle() : ResourceBundle class object holds locale-specific objects. When a program needs a locale-specific resource on that time program can load locale from the resource bundle that is suitable for the current user's locale. Method getBundle() returns a ResourceBundle class object using the specified name and locale.

MessageFormat.setLocale() : setLocale method use to set the locale in the MessageFormat class object.

ChangeLanguage.java


	import java.text.*;

import java.util.*;



public class ChangeLanguage {



 public ChangeLanguage(Locale currentLocale) {



 System.out.println("currentLocale = " + currentLocale.toString());

 System.out.println();

	 ResourceBundle bundle = ResourceBundle.getBundle("ChoiceBundle",

 currentLocale);

	 MessageFormat messageFormat = new MessageFormat("");

	 messageFormat.setLocale(currentLocale);

	 double[] fileLimits = {0, 1, 2};

	 String[] fileStrings = {

   bundle.getString("noFiles"),

	 bundle.getString("oneFile"),

	   bundle.getString("multipleFiles")

  };

	 ChoiceFormat choiceForm = new ChoiceFormat(fileLimits, fileStrings);

   String pattern = bundle.getString("pattern");

 Format[] formats = {choiceForm, null, NumberFormat.getInstance()};

	   messageFormat.applyPattern(pattern);

 messageFormat.setFormats(formats);

	   Object[] messageArguments = {null, "desk", null};

	for (int numFiles = 0; numFiles < 4; numFiles++) {

 messageArguments[0] = new Integer(numFiles);

 messageArguments[2] = new Integer(numFiles);

 String result = messageFormat.format(messageArguments);

  System.out.println(result);

  }

  }

	public static void main(String args[]){

	  new ChangeLanguage(new Locale("en", "US"));

	  System.out.println();

	  new ChangeLanguage(new Locale("fr", "FR"));

	 }

}

ChoiceBundle.properties :


noFiles = are no files

oneFile = is one file

multipleFiles = are {2} files

pattern = There {0} on {1}.

ChoiceBundle_en_US.properties :


noFiles = are no files

oneFile = is one file

multipleFiles = are {2} files

pattern = There {0} on {1}.

ChoiceBundle_fr_FR.properties :


noFiles = n' y a pas des fichiers

oneFile = y a un fichier

multipleFiles = y a {2} fichiers

pattern = Il {0} sur {1}.

output :


There are no files on desk.

There is one file on desk.

There are 2 files on desk.

There are 3 files on desk.



currentLocale = fr_FR



Il n' y a pas des fichiers sur desk.

Il y a un fichier sur desk.

Il y a 2 fichiers sur desk.

Il y a 3 fichiers sur desk.

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