这个是个人心得，在学习usb的过程中遇到的问题，有选择的摘录下来，适合学习者。-This is a personal experience in learning the process of usb problems have a choice excerpt from, suitable for learners.

解决java 学习过程的一些困惑，配有实例。-to solve some fussy issues during learning of java, accompanied with examples which make it more vivide.

java解惑,解答java学习中的一些困扰。-the disabuse of Java.