/*
- * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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;
 
 /** The CharacterData class encapsulates the large tables found in
     Java.lang.Character. */
 
 class CharacterDataUndefined extends CharacterData {
 
     int getProperties(int ch) {
         return 0;
     }
 
     int getType(int ch) {
-	return Character.UNASSIGNED;
+        return Character.UNASSIGNED;
     }
 
     boolean isJavaIdentifierStart(int ch) {
-		return false;
+        return false;
     }
 
     boolean isJavaIdentifierPart(int ch) {
-		return false;
+        return false;
     }
 
     boolean isUnicodeIdentifierStart(int ch) {
-		return false;
+        return false;
     }
 
     boolean isUnicodeIdentifierPart(int ch) {
-		return false;
+        return false;
     }
 
     boolean isIdentifierIgnorable(int ch) {
-		return false;
+        return false;
     }
 
     int toLowerCase(int ch) {
-		return ch;
+        return ch;
     }
 
     int toUpperCase(int ch) {
-		return ch;
+        return ch;
     }
 
     int toTitleCase(int ch) {
-		return ch;
+        return ch;
     }
 
     int digit(int ch, int radix) {
-		return -1;
+        return -1;
     }
 
     int getNumericValue(int ch) {
-		return -1;
+        return -1;
+    }
+
+    boolean isDigit(int ch) {
+        return false;
+    }
+
+    boolean isLowerCase(int ch) {
+        return false;
+    }
+
+    boolean isUpperCase(int ch) {
+        return false;
     }
 
     boolean isWhitespace(int ch) {
-		return false;
+        return false;
     }
 
     byte getDirectionality(int ch) {
-		return Character.DIRECTIONALITY_UNDEFINED;
+        return Character.DIRECTIONALITY_UNDEFINED;
     }
 
     boolean isMirrored(int ch) {
-		return false;
+        return false;
     }
 
     static final CharacterData instance = new CharacterDataUndefined();
     private CharacterDataUndefined() {};
 }