J2ME的窗口显示时间示例，注意手机开发中各个手机都不同，此示例要在S60模拟器上才能显示正确时间。WTK会和一般JAVA编程产生差8小时。-J2ME examples show the time window, pay attention to the development of various mobile phone is different, this example should be in the S60 emulator to display the correct time.