java 场所。Java 中的 Builder clearExtensions()方法，示例

场所。Java 中的 Builder clearExtensions()方法，示例

原文:https://www . geesforgeks . org/locale-builder-clear extensions-method-in-Java-with-examples/

的 clearExtensions() 方法。场所。Java 中的 Builder 类 用来重置这个 Locale。生成器对其初始和空状态的扩展。通过此方法，语言、脚本、变体和区域的所有其他值保持不变。

语法:

public Locale.Builder clearExtensions()

参数:此方法不接受任何参数。

返回类型:该方法返回一个地区。带有扩展的构建器实例重置为其初始和空状态。

异常:这个方法不抛出任何异常。

程序 1:

// Java program to demonstrate
// the above method

import java.util.*;
import java.util.Locale.*;

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

        // Creating a new Locale.Builder
        Locale.Builder localeBuilder
            = new Builder();

        // Displaying Locale.Builder
        System.out.println("LocaleBuilder: "
                           + localeBuilder);

        // clearing the extensions
        // of Locale.Builder
        System.out.println("Clearing the"
                           + " extensions.");

        localeBuilder
            = localeBuilder.clearExtensions();

        // Displaying Locale.Builder
        System.out.println("Updated LocaleBuilder: "
                           + localeBuilder);
    }
}

输出:

LocaleBuilder: java.util.Locale$Builder@232204a1
Clearing the extensions.
Updated LocaleBuilder: java.util.Locale$Builder@232204a1

程序二:

// Java program to demonstrate
// the above method

import java.util.*;
import java.util.Locale.*;

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

        // Creating a new Locale.Builder
        Locale.Builder localeBuilder
            = new Builder();

        // Displaying Locale.Builder
        System.out.println("LocaleBuilder: "
                           + localeBuilder);

        localeBuilder
            = localeBuilder
                  .setExtension('u',
                                "ca-japanese");

        // Displaying Locale.Builder
        System.out.println("Extension set "
                           + "of LocaleBuilder: "
                           + localeBuilder);

        // clearing the extensions
        // of Locale.Builder
        System.out.println("Clearing the"
                           + " extensions.");

        localeBuilder
            = localeBuilder.clearExtensions();

        // Displaying Locale.Builder
        System.out.println("Updated LocaleBuilder: "
                           + localeBuilder);
    }
}

输出:

LocaleBuilder: java.util.Locale$Builder@232204a1
Extension set of LocaleBuilder: java.util.Locale$Builder@232204a1
Clearing the extensions.
Updated LocaleBuilder: java.util.Locale$Builder@232204a1