生产者　消费者，用的是Applet实现的，-producers and consumers use the applet to achieve, and

生产者　消费者，用的是Applet实现的，-producers and consumers use the applet to achieve, and

java card多应用共享接口实现，两个不同包得应用之间数据的相互共享。-java card sharing interface multi-application, application of two different packages have to share data between each other.