Seam ensures that subsequent requests for the same data will return the previously created result set rather than triggering an additional invocation of the lookup method.
Seam 确保随后对相同数据的请求将直接返回之前创建的结果集，而不必再一次触发对查找方法的调用。
2
The project tree in Figure 2 illustrates the cumulative set of jars in a Seam project.
图2中的项目树说明了一个Seam项目中的jar集合。
3
If you would like to set up Seam in your own project, you can find complete instructions for doing so in the first article in this series.