Java Data Type Tutorial - Java Character.isLetter(char ch)

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Syntax

Character.isLetter(char ch) has the following syntax.

public static boolean isLetter(char ch)

Example

In the following code shows how to use Character.isLetter(char ch) method.

//from w ww  .  j  av  a  2 s  .  c  o m
public class Main {

   public static void main(String[] args) {
      char ch1 = 'A',ch2 = '9';

      boolean b1 = Character.isLetter(ch1);
      boolean b2 = Character.isLetter(ch2);

      System.out.println( ch1 + " is a letter is " + b1 );
      System.out.println( ch2 + " is a letter is " + b2 );
   }
}

The code above generates the following result.

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