首先通过一个简单的Applet介绍BREW环境下Applet的运行环境，然后分析如何在一个Module中实现多个Applet的方法，以及BREW中分布在不同的Module中的各个Applet之间的启动交互关系。-First, a simple Applet introduction BREW environment Applet runtime environment, and then analyze how a Module in the method of multiple Applet, and the BREW Distribution of the different Module in each boot interactions between the Applet.