目 录__eol__第 1 章 走进 Java ························································································ 1 __eol__1.1 Java 概述 ·························································································· 2 __eol__1.1.1 Java 的历史 ················································································ 2 __eol__1.1.2 Java 的特点 ················································································ 3 __eol__1.1.3 Java 的应用领域 ·········································································· 4 __eol__1.2 Java 开发环境 ···················································································· 4 __eol__1.2.1 JDK 的安装················································································ 4 __eol__1.2.2 配置 Java 开发环境 ······································································ 6 __eol__1.2.3 安装和配置开发工具 IDEA ···························································· 8 __eol__1.2.4 JDK 概述··················································································11 __eol__1.2.5 JRE 概述···················································································11 __eol__1.2.6 JDK、JRE 与 JVM 的区别和联系 ···················································11 __eol__1.2.7 第一个 Java 程序 ········································································11 __eol__1.3 Java 标识符 ······················································································12 __eol__1.3.1 标识符概述 ···············································································12 __eol__1.3.2 为什么使用标识符 ······································································12 __eol__1.3.3 标识符的命名规范 ······································································12 __eol__1.3.4 关键字和保留词 ·········································································13 __eol__本章小结 ·································································································13 __eol__关键术语 ·································································································13 __eol__习题 ·······································································································13 __eol__第 2 章 数据类型和变量 ················································································14 __eol__2.1 数据类型 ··························································································16 __eol__2.1.1 基本数据类型 ············································································16 __eol__2.1.2 引用数据类型 ············································································16 __eol__2.2 常量和变量 ·······················································································17 __eol__2.2.1 常量概述 ··················································································17 __eol__2.2.2 常量的使用 ···············································································17 __eol__2.2.3 变量概述 ··················································································18 __eol__2.2.4 变量的使用 ···············································································18 __eol__2.3 数据类型转换 ····················································································19 __eol__Java 编程技术与项目实战 VI __eol__2.3.1 自动转换 ··················································································19 __eol__2.3.2 强制转换 ··················································································20 __eol__2.3.3 类型推断 ··················································································21 __eol__本章小结 ·································································································22 __eol__关键术语 ·································································································23 __eol__习题 ·······································································································23 __eol__实际操作训练 ···························································································23 __eol__第 3 章