Character.isJavaLetter(char ch) has the following syntax.
@Deprecated public static boolean isJavaLetter(char ch)
In the following code shows how to use Character.isJavaLetter(char ch) method.
public class Main { //w w w . j a va 2 s .co m public static void main(String[] args) { char ch1 = '3', ch2 = '_'; boolean b1 = Character.isJavaLetter(ch1); boolean b2 = Character.isJavaLetter(ch2); System.out.println( b1 ); System.out.println( b2 ); } }
The code above generates the following result.