摘要:Java 學習參考
Java Tutorials Learning Paths
http://docs.oracle.com/javase/tutorial/tutorialLearningPaths.html
Preparation for Java Programmer Language Certification:
Programmer Level I Exam：http://docs.oracle.com/javase/tutorial/extra/certification/javase-7-programmer1.html
Programmer Level II Exam：http://docs.oracle.com/javase/tutorial/extra/certification/javase-7-programmer2.html
Java SE 7 Upgrade Exam：http://docs.oracle.com/javase/tutorial/extra/certification/javase-7-upgrade.html