how to access data of dialog using java and then pass it to servlet for backend processingcan anyone explain with example??

i have added a jar in pom.xml as     <dependency>            <groupId>com.googlecode.json-simple</groupId>            <artifactId>json-simple</artifactId>            <version>1.1</version>        </dependency>bundle is  installed  but in http://localhost:4502/system/console/bundles--> imported files...