Class Character

lib/java/lang/Character.java:49–3697

The wrapper for the primitive type char. This class also provides a number of utility methods for working with characters. Character data is based upon the Unicode Standard, 4.0. The Unicode specification, character tables and other information are available at <a href="http://www.unicod

 * @since 1.0
 */
public final class Character implements Serializable, Comparable<Character> {
    private static final long serialVersionUID = 3786198910865385080L;

    private final char value;

    /**
     * The minimum {@code Character} value.
     */
    public static final char MIN_VALUE = '\u0000';

    /**
     * The maximum {@code Character} value.
     */
    public static final char MAX_VALUE = '\uffff';

    /**
     * The minimum radix used for conversions between characters and integers.
     */
    public static final int MIN_RADIX = 2;

    /**
     * The maximum radix used for conversions between characters and integers.
     */
    public static final int MAX_RADIX = 36;

    /**
     * The {@link Class} object that represents the primitive type {@code char}.
     */
    @SuppressWarnings("unchecked")
    public static final Class<Character> TYPE = (Class<Character>) new char[0]
            .getClass().getComponentType();

    // Note: This can't be set to "char.class", since *that* is
    // defined to be "java.lang.Character.TYPE";

    /**
     * Unicode category constant Cn.
     */
    public static final byte UNASSIGNED = 0;

    /**
     * Unicode category constant Lu.
     */
    public static final byte UPPERCASE_LETTER = 1;

    /**
     * Unicode category constant Ll.
     */
    public static final byte LOWERCASE_LETTER = 2;

    /**
     * Unicode category constant Lt.
     */
    public static final byte TITLECASE_LETTER = 3;

    /**
     * Unicode category constant Lm.
     */