Code is tested in the Mac system and Chrome.
Usage:
Open eclipse
Click File > Import
Type Maven in the search box under Select an import source:
Select Existing Maven Projects
Click Next
Click Browse and select the folder that is the root of the Maven project (probably contains the pom.xml file)
Click OK
Under Projects: click the checkbox next to the pom.xml file
Click Finish
Run App.java in src/main/java/ShuaiZheng/Doublebonus