Character.isJavaLetterOrDigit

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Syntax

public static boolean isJavaLetterOrDigit( char ch )

Parameters

ch: the character to be tested.

Returns

true if the character is a Java letter or digit; false otherwise.

Description

Note: isJavaLetterOrDigit() is deprecated. Replaced by isJavaIdentifierPart(char).

Determines if the specified character is a "Java" letter or digit, that is, the character is permissible as a non-initial character in an identifier in the Java language.

A character is considered to be a Java letter or digit if and only if it is a letter, a digit, the ASCII dollar sign character '$', or the underscore character '_'.