以 Joda 的方式向某一个瞬间加上 90 天并输出结果
DateTime dateTime = new DateTime(2000, 1, 1, 0, 0, 0, 0);System.out.println...改用 Joda
DateTime dateTime = new DateTime(2000, 1, 1, 0, 0, 0, 0);System.out.println(dateTime.plusDays...将 Joda 计算结果插入到 JDK 对象中
Calendar calendar = Calendar.getInstance();DateTime dateTime = new DateTime(2000...dateTime = new DateTime(calendar);
// Use another Joda DateTime
DateTime anotherDateTime = obtainDateTimeSomehow...从 Joda DateTime 类创建 JDK 类
DateTime dateTime = SystemFactory.getClock().getDateTime();Calendar calendar