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Just Java™ 2 by Peter van der Linden

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The Class Character

The following is the declaration of class java.lang.Character. The important point here is to notice all the routines for classifying a character as an identifier, a digit, etc:

public final class java.lang.Character        implements java.io.Serializable, java.lang.Comparable {    public java.lang.Character(char); // constructor     public static final int MIN_RADIX = 2;     public static final int MAX_RADIX = 36;     <a id="page_260/">public static final char MIN_VALUE = '\u0000';     public static final char MAX_VALUE = '\uffff';     public static final java.lang.Class TYPE = Class.getPrimitiveClass("char");     public static final byte UNASSIGNED;//about 20 other Unicode types     public static final byte UPPERCASE_LETTER ...

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