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8361717: Refactor Collections.emptyList() in Locale related classes #26225

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8361717: Refactor Collections.emptyList() in Locale related classes #26225

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2 changes: 1 addition & 1 deletion src/java.base/share/classes/sun/util/locale/LanguageTag.java
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@ public record LanguageTag(String language, String script, String region, String
public static final String UNDETERMINED = "und";
public static final String PRIVUSE_VARIANT_PREFIX = "lvariant";
private static final String EMPTY_SUBTAG = "";
private static final List<String> EMPTY_SUBTAGS = Collections.emptyList();
private static final List<String> EMPTY_SUBTAGS = List.of();

// Map contains legacy language tags and its preferred mappings from
// http://www.ietf.org/rfc/rfc5646.txt
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6 changes: 2 additions & 4 deletions src/java.base/share/classes/sun/util/locale/provider/LocaleServiceProviderPool.java
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2005, 2023, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2005, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
Expand Down Expand Up @@ -27,7 +27,6 @@

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.IllformedLocaleException;
import java.util.List;
Expand Down Expand Up @@ -388,8 +387,7 @@ static Locale getLookupLocale(Locale locale) {
* A dummy locale service provider list that indicates there is no
* provider available
*/
private static final List<LocaleServiceProvider> NULL_LIST =
Collections.emptyList();
private static final List<LocaleServiceProvider> NULL_LIST = List.of();

/**
* An interface to get a localized object for each locale sensitive
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