Java各种Tutorial网站

• JAVA官方Tutorial

http://docs.oracle.com/javase/tutorial/index.html

• java2s

http://www.java2s.com/

• jenkov

http://tutorials.jenkov.com/

• codejava

http://www.codejava.net/

• journaldev

http://www.journaldev.com/java-tutorial-java-ee-tutorials

• logicbig : java JEE spring maven

http://www.logicbig.com/tutorials/

• mkyong

https://www.mkyong.com/

• Baeldung : 针对spring的教程

http://www.baeldung.com/start-here