| Package | Description | 
|---|---|
| java.util | Contains the collections framework, legacy collection classes, event model,
date and time facilities, internationalization, and miscellaneous utility
classes (a string tokenizer, a random-number generator, and a bit array). | 
| Modifier and Type | Method and Description | 
|---|---|
| Locale.Builder | Locale.Builder. addUnicodeLocaleAttribute(String attribute)Adds a unicode locale attribute, if not already present, otherwise
 has no effect. | 
| Locale.Builder | Locale.Builder. clear()Resets the builder to its initial, empty state. | 
| Locale.Builder | Locale.Builder. clearExtensions()Resets the extensions to their initial, empty state. | 
| Locale.Builder | Locale.Builder. removeUnicodeLocaleAttribute(String attribute)Removes a unicode locale attribute, if present, otherwise has no
 effect. | 
| Locale.Builder | Locale.Builder. setExtension(char key,
            String value)Sets the extension for the given key. | 
| Locale.Builder | Locale.Builder. setLanguage(String language)Sets the language. | 
| Locale.Builder | Locale.Builder. setLanguageTag(String languageTag)Resets the Builder to match the provided IETF BCP 47
 language tag. | 
| Locale.Builder | Locale.Builder. setLocale(Locale locale)Resets the  Builderto match the providedlocale. | 
| Locale.Builder | Locale.Builder. setRegion(String region)Sets the region. | 
| Locale.Builder | Locale.Builder. setScript(String script)Sets the script. | 
| Locale.Builder | Locale.Builder. setUnicodeLocaleKeyword(String key,
                       String type)Sets the Unicode locale keyword type for the given key. | 
| Locale.Builder | Locale.Builder. setVariant(String variant)Sets the variant. | 
 Submit a bug or feature 
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
 Copyright © 1993, 2025, Oracle and/or its affiliates.  All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.