package com.devmanuals; public class CharacterIsLetter { public static void main(String[] args) { System.out.print("Is character A is letter= "); System.out.println(Character.isLetter('A')); System.out.print("Is character 9 is letter= "); System.out.println(Character.isLetter('9')); System.out.print("Is character @ is letter= "); System.out.println(Character.isLetter('@')); } }