To Run the application, execute the following commands,
javac -d bin/ -cp src src/application/Application.java
java -cp bin application.Application --books=C:\workspace\Newfolder\abc.csv --sales=C:\workspace\Newfolder\def.csv --top_selling_books=2 --top_customers=2 --sales_on_date=2018-08-02
Make sure csv files are present.