Java - isLetter() Method

Description:

The method determines whether the specified char value is a letter.

Syntax:

boolean isLetter(char ch)

Parameters:

Here is the detail of parameters:

• ch -- Primitive character type

Return Value:

• This method Returns true if passed character is really a character.

Example:

public class Test {

   public static void main(String args[]) {
      System.out.println(Character.isLetter('c'));
      System.out.println(Character.isLetter('5'));
   }
}

This produces following result:

true
false