资料中共有八章内容，分为Java语言概述，语法基础，语言的控制结构，类，对象和接口，java的常用类库，图形用户界面设计，java的多线程，输入输出流。以讲义形式给出，希望对大家有帮助。-The data can isMost of the Java library classes implement equals( ) so that it compares the contents of objects instead of their references. grouped under three heads. Although it is based on C++, Java is more of a “pure” object-oriented language。