THE PACKAGE JAVA.LANG

java.lang.Character

20.5

The character

ch

 is not in the range

\u2000

 through

\u2FFF

.

The name for the character in the Unicode attribute table contains the word

DIGIT

.

The digits are those characters with the following codes:

0030

0039

ISO Latin 1 (and ASCII) digits (

0

9

)

0660

0669

Arabic Indic digits

06F0

06F9

Eastern Arabic Indic digits

0966

096F

Devanagari digits

09E6

09EF

Bengali digits

0A66

0A6F

Gurmukhi digits

0AE6

0AEF

Gujarati digits

0B66

0B6F

Oriya digits

0BE7

0BEF

Tamil digits (there are only nine of these no zero digit)

0C66

0C6F

Telugu digits

0CE6

0CEF

Kannada digits

0D66

0D6F

Malayalam digits

0E50

0E59

Thai digits

0ED0

0ED9

Lao digits

FF10

FF19

Fullwidth digits

Of the first 128 Unicode characters, exactly 10 are considered to be digits:

0123456789

[This specification for the method

isDigit

 is scheduled for introduction in

Java version 1.1, either as defined here, or updated for Unicode 2.0; see  20.5. In

previous versions of Java, this method returns

false

 for all arguments larger than

\u00FF

.]

20.5.15

public static boolean isLetter(char ch)

The result is

true

 if and only if the character argument is a letter.

A character is considered to be a letter if and only if it is a letter or digit

( 20.5.16) but is not a digit ( 20.5.14).

[This method is scheduled for introduction in Java version 1.1, either as

defined here, or updated for Unicode 2.0; see  20.5.]

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