/*
- * Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved.
+ * 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
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 
 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);
     abstract boolean isUnicodeIdentifierPart(int ch);
     abstract boolean isIdentifierIgnorable(int ch);
     abstract int toLowerCase(int ch);
     abstract int toUpperCase(int ch);
     abstract int toTitleCase(int ch);
     abstract int digit(int ch, int radix);
     abstract int getNumericValue(int ch);
     abstract byte getDirectionality(int ch);
 
     //need to implement for JSR204
     int toUpperCaseEx(int ch) {
         return toUpperCase(ch);
     }
 
     char[] toUpperCaseCharArray(int ch) {
         return null;
     }
 
     boolean isOtherLowercase(int ch) {
         return false;
     }
 
     boolean isOtherUppercase(int ch) {
         return false;
     }
 
     boolean isOtherAlphabetic(int ch) {
         return false;
     }
 
     boolean isIdeographic(int ch) {
         return false;
     }
 
     // Character <= 0xff (basic latin) is handled by internal fast-path
     // to avoid initializing large tables.
     // Note: performance of this "fast-path" code may be sub-optimal
     // in negative cases for some accessors due to complicated ranges.
     // Should revisit after optimization of table initialization.
 
     static final CharacterData of(int ch) {
         if (ch >>> 8 == 0) {     // fast-path
             return CharacterDataLatin1.instance;
         } else {
             switch(ch >>> 16) {  //plane 00-16
             case(0):
                 return CharacterData00.instance;
             case(1):
                 return CharacterData01.instance;
             case(2):
                 return CharacterData02.instance;
             case(14):
                 return CharacterData0E.instance;
             case(15):   // Private Use
             case(16):   // Private Use
                 return CharacterDataPrivateUse.instance;
             default:
                 return CharacterDataUndefined.instance;
             }
         }
     }
 }