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Locale.Builder clearExtensions() method in Java with Examples

  • Last Updated : 30 Jul, 2019

The clearExtensions() method of java.util.Locale.Builder class in Java is used to reset this Locale.Builder’s extensions to their initial and empty state. All other values of language, scripts, variant and region remain unchanged by this method.

Syntax:

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public Locale.Builder clearExtensions()

Parameter: This method do not accept any parameter.

Return Type: This method returns an Locale.Builder instance with the extensions reset to their initial and empty state.



Exception: This method do not throw any exception.

Program 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);
    }
}
Output:
LocaleBuilder: java.util.Locale$Builder@232204a1
Clearing the extensions.
Updated LocaleBuilder: java.util.Locale$Builder@232204a1

Program 2:




// 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);
    }
}
Output:
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

Reference: https://docs.oracle.com/javase/9/docs/api/java/util/Locale.Builder.html#clearExtensions–




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