src/java.base/share/classes/java/lang/CharacterData.java
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/*
! * Copyright (c) 2006, 2011, 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
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/*
! * Copyright (c) 2006, 2018, 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
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package java.lang;
abstract class CharacterData {
abstract int getProperties(int ch);
abstract int getType(int ch);
+ abstract boolean isDigit(int ch);
+ abstract boolean isLowerCase(int ch);
+ abstract boolean isUpperCase(int ch);
abstract boolean isWhitespace(int ch);
abstract boolean isMirrored(int ch);
abstract boolean isJavaIdentifierStart(int ch);
abstract boolean isJavaIdentifierPart(int ch);
abstract boolean isUnicodeIdentifierStart(int ch);