// Construct a "formatter" to center strings.
StringAlign formatter = new StringAlign(70, StringAlign.JUST_CENTER);
// Try it out, for page "i"
System.out.println(formatter.format("- i -"));
// Try it out, for page 4. Since this formatter is
// optimized for Strings, not specifically for page numbers,
// we have to convert the number to a String
System.out.println(formatter.format(Integer.toString(4)));
