Extra 5. JSON

1. Review presentation JSON
2. Look for more information about popular JSON implementation in Java
3. Look at some examples how to use this library

4. Add following dependency in <dependencies> element of pom.xml file:

   <!-- JSON -->
   <dependency>
   <groupId>org.json</groupId>
   <artifactId>json</artifactId>
   <version>20180813</version>
   </dependency>

5. Regenerate project files for eclipse with command in your project:

   mvn eclipse:eclipse

   and refresh project in Eclipse

6. Investigate jtm.extra05 package
7. Implement classes Car and JsonCars  to pass unit tests.