Top Java Blogs

http://www.yegor256.com/

http://www.javacodegeeks.com/

https://10kloc.wordpress.com/page/3/

http://www.adam-bien.com/roller/abien/

https://pragmaticintegrator.wordpress.com/

http://blog.arungupta.me/

https://blogs.oracle.com/reza/

https://blogs.oracle.com/theaquarium/

these are I personally feel good one above to all may be plenty of but . we can try these good for java developer.