Spring4.0, SpringBoot0.5, Guava15.0 을 이용한 @Async 예제 입니다.
$ gradle build
$ java -jar ./build/libs/spring-async-guava-sample-0.0.1.RELEASE.jar
$ gradle bootRun
$ main : SpringBootRunner.java > Run As > Spring Boot App or Java Application
$ test : testSpringBootRunner.java > Run As > JUnit Test