// Test some of the Character methods. public class TestCharacter { public static void main(String[ ] argv) { // Create a wrapper class for the char 'A'. Character obj = new Character('A'); System.out.println(obj); // Test some of the static methods // of the Character class. System.out.println(Character.isDigit('4')); System.out.println(Character.isDigit('T')); System.out.println(Character.isLetter('4')); System.out.println(Character.isLetter('T')); System.out.println(Character.isLetterOrDigit('4')); System.out.println(Character.isLetterOrDigit('T')); System.out.println(Character.isLetterOrDigit('%')); System.out.println(Character.isWhitespace(' ')); System.out.println(Character.isWhitespace('\n')); System.out.println(Character.isWhitespace('\t')); System.out.println(Character.isWhitespace('A')); System.out.println(Character.isLowerCase('A')); System.out.println(Character.isUpperCase('A')); System.out.println(Character.isLowerCase('a')); System.out.println(Character.isUpperCase('a')); System.out.println(Character.toUpperCase('h')); System.out.println(Character.toLowerCase('H')); } }