Java.util.Locale Class in Java | Set 1
As the name suggests util.Locale Class is used to perform locale tasks and provides locale information for the user.
Declaration :
public final class Locale extends Object implements Cloneable, Serializable
Constructors :
- Locale(String L): Creates Locale from the given language code.
- Locale(String L, String C): Creates Locale from the given language, country code.
- Locale(String L, String C, String V): Creates Locale from the given language, country, variant code.
Methods:
1. getDisplayCountry() : java.util.Locale.getDisplayCountry() return the country to which locale belongs to.
Syntax :
public final String getDisplayCountry() Parameters : ---- Return : -----
2. getDefault() : java.util.Locale.getDefault() return the current – default value for the locale as per the JVM instance.
Syntax :
public static Locale getDefault() Parameters : ---- Return : current - default value for the locale as per the JVM instance.
3. getCountry() : java.util.Locale.getCountry() return the country for the locale which could be empty or ISO 3166 2-letter code.
Syntax :
public String getCountry() Parameters : ---- Return : -----
4. equals(Object locale2) : java.util.Locale.equals(Object locale2) checks whether two locales are equal or not.
Syntax :
public boolean equals(Object locale2) Parameters : locale2 : another locale to be compare with. Return : returns true if two locales are equal, else false.
5. clone() : java.util.Locale.clone() creates clone of the locale.
Syntax :
public Object clone() Parameters : ---- Return : clone of this instance
6. getAvailableLocales() : java.util.Locale.getAvailableLocales() returns array of all the installed locales.
Syntax :
public static Locale[] getAvailableLocales() Parameters : --- Return : array of installed locales.
7. getDisplayLanguage() : java.util.Locale.getDisplayLanguage() returns the language with the locale.
Syntax :
public final String getDisplayLanguage() Parameters : ---- Return : ----
8. getDisplayLanguage(Locale in) : java.util.Locale.getDisplayLanguage(Locale in) returns the language localised according to “in” Locale if possible.
Syntax :
public String getDisplayLanguage(Locale in) Parameters : in : the instance local Return : ---- Exception : NullPointerException : if "in" is null.
9. getDisplayName() : java.util.Locale.getDisplayName() displays name of the Locale
Syntax :
public final String getDisplayName() Parameters : ---- Return : -----------
10. getDisplayLanguage(Locale in) : java.util.Locale.getDisplayLanguage(Locale in) returns the language of “in” locale.
Syntax :
public final String getDisplayLanguage() Parameters : in : the instance local Return : ----
11. getISO3Country() : java.util.Locale.getISO3Country() displays 3-letter abbreviation of Locale country.
Syntax :
public String getISO3Country() Parameters : ---- Return : -------------
Java
// Java Program illustrating the use of methods : // getDisplayCountry(), getCountry(), equal(), clone(), // getAvailableLocales(), getDefault(), // getDisplayLanguage(Locale in), getDisplayLanguage(), // getDisplayName(Locale in), getDisplayName(), // getISO3Country() import java.util.*; public class NewClass { public static void main(String[] args) { // Creating a new Locale Locale geek1 = new Locale( "English" , "IN" ); // Use of getDefault() : Locale geek2 = Locale.getDefault(); System.out.println( "Locale name : " + geek1); System.out.println( "Locale name Default : " + geek2); // Use of getDisplayCountry() : System.out.println( "\nCountry Name : " + geek1.getDisplayCountry()); // Use of getCountry() : System.out.println( "Country Name ISO 3166 2-letter code : " + geek1.getCountry()); // Use of equal() : System.out.println( "\nIs geek1 equals geek2 : " + geek1.equals(geek2)); // clone() : geek3 is a clone of geek2 Locale geek3 = (Locale) geek2.clone(); // Locale : geek3 System.out.println( "Locale geek3 same as geek2 : " + geek3); // Use of getAvailableLocales() Locale[] geek4 = Locale.getAvailableLocales(); // We are not printing all the locales. System.out.println( "\nInstalled locales are : " ); for ( int i = 1 ; i < geek4.length/ 10 ; i++) System.out.println(i + ":" + geek4[i]); // Use of getDisplayLanguage() : System.out.println( "\ngeek2 Language : " + geek2.getDisplayLanguage()); // Use of getDisplayLanguage(Locale in) : System.out.println( "Language of in Locale : " + geek1.getDisplayLanguage( new Locale( "France" , "French" ))); // Use of getDisplayName : System.out.println( "\nUse of getDisplayName : " + geek1.getDisplayName()); // Use of getDisplayName(Locale in) : System.out.println( "Name of in Locale : " + geek2.getDisplayName( new Locale( "English" , "english" ))); // Use of getISO3Country() : System.out.println( "\nISO3 Country Name of geek3 : " + geek3.getISO3Country()); } } |
Output :
Locale name : english_IN Locale name Default : en_US Country Name : India Country Name ISO 3166 2-letter code : IN Is geek1 equals geek2 : false Locale geek3 same as geek2 : en_US Installed locales are : 1:ar_AE 2:ar_JO 3:ar_SY 4:hr_HR 5:fr_BE 6:es_PA 7:mt_MT 8:es_VE 9:bg 10:zh_TW 11:it 12:ko 13:uk 14:lv 15:da_DK geek2 Language : English Language of in Locale : english Use of getDisplayName : english (India) Name of in Locale : English (United States) ISO3 Country Name of geek3 : USA
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