Java 中的 Locale getDisplayLanguage(Locale)方法，示例

原文:https://www . geesforgeks . org/locale-getdisplaylanguagelocale-method-in-Java-with-examples/

Java 中 语言环境类 的getDisplayLanguage(Locale inLoc)方法用于获取指定语言环境的语言名称。如果有可能，返回的名称将根据 inLocale 进行本地化。

语法:

public String getDisplayLanguage(Locale inLoc)

参数:该方法取 Locale 类型的一个参数 inLoc ，指名称的本地化显示。

返回值:这个方法返回适合给定区域设置的显示语言的名称。

异常:如果参数 inLoc 为空，则方法抛出 空指针异常 。

以下程序说明了 getDisplayLanguage()方法的工作: 程序 1:

// Java code to illustrate getDisplayLanguage() method

import java.util.*;

public class Locale_Demo {
    public static void main(String[] args)
    {

        // Creating a new locale
        Locale first_locale
            = new Locale("en", "US");

        // Displaying first locale
        System.out.println("First Locale: "
                           + first_locale);

        // Displaying the language of this locale
        System.out.println("Language: "
                           + first_locale
                                 .getDisplayLanguage(
                                     new Locale("fr", "FR")));
    }
}

Output:

First Locale: en_US
Language: anglais

程序 2:

// Java code to illustrate getDisplayLanguage() method

import java.util.*;

public class Locale_Demo {
    public static void main(String[] args)
    {

        // Creating a new locale
        Locale first_locale
            = new Locale("en", "US");

        // Displaying first locale
        System.out.println("First Locale: "
                           + first_locale);

        // Displaying the language of this locale
        System.out.println("Language: "
                           + first_locale
                                 .getDisplayLanguage(
                                     new Locale("", "FR")));
    }
}

Output:

First Locale: en_US
Language: English

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