java编程入门文档，适合初学者，内容比较好，欢迎下载！-java programming Start document, suitable for beginners as well. Welcome download!

第一章 Java 语言入门第二章 标识符、关键字和数据类型第三章 运算符、表达式和语句第四章 类、对象、和接口....包括范围广泛.-first chapter Java language portal second chapter identifiers, keywords and data types third chapter Operators, expressions and statements IV category, the targets, and the interface

这是我的java讲座老师的课件,入门很浅,但是通俗易懂,很不错-This is my Java lecture teacher courseware, entry is very shallow, but easy to understand, very good

java简单工厂模式入门,比较适合初学者学习-Java simple introduction to the factory pattern, more suitable for beginners to learn