We would like to know how to character: is Upper/Lower Case.
/*from w w w .ja v a 2 s.c om*/ public class MainClass { public static void main(String[] args) { char symbol = 'A'; if (Character.isUpperCase(symbol)) { System.out.println("true"); }else{ System.out.println("false"); } } } public class MainClass { public static void main(String[] args) { char symbol = 'A'; if (Character.isLowerCase(symbol)) { System.out.println("true"); }else{ System.out.println("false"); } } }