* [The Java Web Scraping Handbook](https://www.scrapingbee.com/java-webscraping-book) - Kevin Sahin (PDF, HTML)
* [The Java Web Scraping Handbook](https://www.scrapingbee.com/java-webscraping-book) - Kevin Sahin (PDF, HTML)
* [Think Data Structures: Algorithms and Information Retrieval in Java](https://greenteapress.com/wp/think-data-structures/) - Allen B. Downey (PDF, HTML)
* [Think Data Structures: Algorithms and Information Retrieval in Java](https://greenteapress.com/wp/think-data-structures/) - Allen B. Downey (PDF, HTML)
* [Think Java: How to Think Like a Computer Scientist](http://greenteapress.com/thinkapjava/) - Allen B. Downey and Chris Mayfield
* [Think Java: How to Think Like a Computer Scientist, 2nd Edition](https://greenteapress.com/wp/think-java-2e/) - Allen B. Downey and Chris Mayfield (HTML, PDF) [(Interactive version by Trinket)](https://books.trinket.io/thinkjava2/)
* [Think Java: How to Think Like a Computer Scientist](https://greenteapress.com/wp/think-java/) - Allen B. Downey and Chris Mayfield (HTML, PDF) [(Interactive version by Trinket)](https://books.trinket.io/thinkjava/)
* [Welcome to Java for Python Programmers](https://runestone.academy/runestone/books/published/java4python/index.html) - Brad Miller
* [Welcome to Java for Python Programmers](https://runestone.academy/runestone/books/published/java4python/index.html) - Brad Miller
* [Welcome to the Java Workshop (2006)](http://javaworkshop.sourceforge.net) - Trevor Miller
* [Welcome to the Java Workshop (2006)](http://javaworkshop.sourceforge.net) - Trevor Miller
* [What’s New in Java 8](https://leanpub.com/whatsnewinjava8/read) - Adam L. Davis
* [What’s New in Java 8](https://leanpub.com/whatsnewinjava8/read) - Adam L. Davis