How to read multiple json data in acsv file and rank it using Java?

I want to read Json data in a csv, and sort the data based on the rank and output it as a csv file. How cloud I do it using java?

{"IP":"213.217.65.183","CityName":"NewYork","Rank":"1"}    {"IP":"213.217.65.184","CityName":"Toronto","Rank":"5"}{"IP":"213.247.65.187","CityName":"Boston","Rank":"2"}{"IP":"213.217.61.187","CityName":"Chicago","Rank":"3"}{"IP":"213.207.64.187","CityName":"Shanghai","Rank":"4"}