简要介绍了listbox控件的使用，适合于初学者的学习。-Briefly introduced the use of listbox control, suitable for beginners to learn.

j2me开发框架，支持用户自定义控件（外观、位置、响应事件），可以代替叫j2me高级控件-j2me development framework to support the user custom control (appearance, location, in response to events), can replace the high-level control called j2me

java的自定义控件，自定义控件的使用，J2me控件的编写-java custom control, custom control to use, J2me control preparation