问题:
A . A web application may override the web container’s implementation classes.
B . A web application running in a J2EE product may override classes in the javax.* namespace.
C . A web application class loader may NOT override any classes in the java.* and javax.* namespaces.
D . Resources in the WAR class directory or in any of the JAR files within the library directory may be accessed using the J2SE semantics of getResource.
● 参考解析
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