java的全套笔记。详细描述了java的一些基础知识。帮助你进行笔试-java the complete set of notes. A detailed descr iption of some of the basics of java. Were written to help you

java的基础笔记，这里包含了javase的所有内容，包括IO 集合、线程 、异常、正则表达式等等(javase document all you want is here)