|
class IsDemo {
public static void main(String args[]) {
char a[] = { 'a', 'b', '5', '?', 'A', ' ' };
for (int i = 0; i < a.length; i++) {
if (Character.isDigit(a[i]))
System.out.println(a[i] + " is a digit.");
if (Character.isLetter(a[i]))
System.out.println(a[i] + " is a letter.");
if (Character.isWhitespace(a[i]))
System.out.println(a[i] + " is whitespace.");
if (Character.isUpperCase(a[i]))
System.out.println(a[i] + " is uppercase.");
if (Character.isLowerCase(a[i]))
System.out.println(a[i] + " is lowercase.");
}
}
}
|