참조: http://blog.springsource.com/2008/12/05/spring-framework-30-m1-released/ * revised project layout and build system with module-based sources * updated entire codebase for Java 5 code style (generics, varargs) * updated to JUnit 4.5 and JRuby 1.1 * introduced Spring EL parser (org.springframework.expression package) * introduced support for #{…} expressions in