public static void main(String[] args) {
// Attack the internals of a Period instance - Page 185
Date start = new Date();
Date end = new Date();
Period p = new Period(start, end);
end.setYear(78); // Modifies internals of p!
System.out.println(p);
// Second attack on the internals of a Period instance - Page 186
start = new Date();
end = new Date();
p = new Period(start, end);
p.end().setYear(78); // Modifies internals of p!
System.out.println(p);
}
