java

1) Jrun is a kind of application servers which include java web server. There are many different application servers provided by different companies/organizations.

Some examples are

- Weblogic

- Voyager

- Jrun

2) interface can be extended, just like class can be.

it's just additional prototype. A class that implements

the child interface has to define methods in

both the child interface and the parent interface.

kshimada at 2007-6-29 2:49:12 >