说明：  Java手机日历程序源代码，重载抽象类MIDlet的抽象方法startApp()，指定时区为东八区，创建包含日期字段和时间字段的DateField对象dateAndTime，设置初始日期和时间添加dateAndTime到表单form，添加退出命令到表单form，为表单form设置命令监听者，最后实现接口CommandListener的方法销毁程序。
(Java mobile phone calendar program source code, abstract methods overloaded abstract class MIDlet startApp (), specify a time zone east eight districts, create date field and time field DateField object dateAndTime, set the initial date and time Add dateAndTime to table single form, add the exit command to the form the form the form form to set up a command listener, and the final realization of the interface the CommandListener the method destroyed.)