Popular Java Frameworks Learning Resources

1. Java Brains – Hibernate, Spring, Java EE, Struts 2, Maven, Servlets&JSPs
2. Tutorials by Artur Owczarek – Hibernate, JPA, Spring (polish)
3. Spring Boot Reference Guide
4. Spring Boot Tutorial
5. Official Spring Guides
6. Spring by John Purcell – quite old, but you can try it too 🙂
7. Java EE
8. Java 8 Tutorial
9. Gradle Docs
10. Guava Tutorial and here
11. Grails Tutorial + and this one(never tried it, but looks ok 😉 )
12. Book: Spring in Action