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Java Programming: Build a Recommendation System

Java Programming Build a Recommendation System

Ever wonder how Netflix decides what movies to recommend for you? Or how Amazon recommends books? We can get a feel for how it works by building a simplified recommender of our own! For that purpose, you can enroll in Duke University Java Programming: Build a Recommendation System Course.

Duke University Online Course Highlights
  • weeks long
  • 3-6 hours per week
  • Learn for FREE, Upgradable
  • Self-Paced
  • Taught by: Robert Duvall, Andrew D. Hilton, Owen Astrachan, Susan H. Rodger
  • View Course Syllabus

Online Course Details:

I n this capstone Java Programming: Build a Recommendation System, you will show off your problem solving and Java programming skills by creating recommender systems. You will work with data for movies, including ratings, but the principles involved can easily be adapted to books, restaurants, and more. You will write a program to answer questions about the data, including which items should be recommended to a user based on their ratings of several movies.

Given input files on users ratings and movie titles, you will be able to:

1. Read in and parse data into lists and maps;
2. Calculate average ratings;
3. Calculate how similar a given rater is to another user based on ratings; and
4. Recommend movies to a given user based on ratings.
5. Display recommended movies for a given user on a webpage.


  • Data Structure
  • Interfaces
  • Software Design
  • Java Programming
Take This Online Course