JAVA9口袋指南(第4版)

前言 .....................................................................XIII
第 1 部分 语言
第 1 章 命名约定 ..................................................... 3
缩略词 .....................................................................................3
注解名 .....................................................................................3
类名 .........................................................................................4
常量名 .....................................................................................4
枚举名称 .................................................................................4
泛型类型参数名 ......................................................................4
实例与静态变量名 ..................................................................5
接口名 .....................................................................................5
方法名 .....................................................................................5
包名 .........................................................................................5
模块名 .....................................................................................6
参数和本地变量名 ..................................................................6
第 2 章 词法元素 ..................................................... 9
Unicode 与 ASCII ....................................................................9
压缩字符串............................................................................11
注释 .......................................................................................11
关键字 ...................................................................................12
识别符 ...................................................................................13
分隔符 ...................................................................................14
操作符 ...................................................................................15
字面量 ...................................................................................16
转义序列 ...............................................................................19
Unicode 货币符号 .................................................................20
第 3 章 基本类型 ................................................... 23
原始类型 ...............................................................................23
原始类型的字面量 ................................................................24
浮点实体 ...............................................................................26
原始类型的数值提升 .............................................................28
包装类 ...................................................................................29
自动装箱和拆箱 ....................................................................30
第 4 章 引用类型 ................................................... 33
引用类型与原始类型的对比 .................................................34
默认值 ...................................................................................34
引用对象的转换 ....................................................................36
原始类型与引用类型的转换 .................................................37
传递引用类型到方法中 .........................................................37
引用类型的对比 ....................................................................38
拷贝引用类型 ........................................................................40
引用类型的内存分配与垃圾回收 ..........................................42
第 5 章 面向对象编程 ............................................ 43
类和对象 ...............................................................................43
可变长度的参数列表 .............................................................49
抽象类与抽象方法 ................................................................50
静态数据成员、静态方法、静态常量以及静态初始化器 .....51
接口 .......................................................................................52
枚举 .......................................................................................53
注解类型 ...............................................................................54
函数式接口............................................................................56
第 6 章 语句和代码块 ............................................ 57
表达式语句............................................................................57
空语句 ...................................................................................58
代码块 ...................................................................................58
条件语句 ...............................................................................58
迭代语句 ...............................................................................60
控制转移 ...............................................................................62
synchronized 语句 .................................................................63
断言语句 ...............................................................................63
异常处理语句 ........................................................................64
第 7 章 异常处理 ................................................... 65
异常层级结构 ........................................................................65
检查型 / 非检查型异常和错误...............................................66
常见的检查型 / 非检查型异常和错误 ...................................67
异常处理的关键字 ................................................................69
异常处理的过程 ....................................................................74
定义自己的异常类 ................................................................74
打印异常信息 ........................................................................75
第 8 章 Java 修饰符 .............................................. 77
访问修饰符............................................................................78
其他（非访问）修饰符 .........................................................79
修饰符的编码 ........................................................................80
第 2 部分 平台
第 9 章 Java 平台，标准版 .................................... 83
常用的 Java SE API 库 ..........................................................83
第 10 章 开发的基础工具 ....................................... 97
Java 运行时环境 ....................................................................97
Java 开发工具集 ....................................................................97
Java 程序结构........................................................................99
命令行工具..........................................................................100
类路径 .................................................................................105
第 11 章 内存管理 ................................................107
垃圾收集器..........................................................................107
内存管理工具 ......................................................................109
命令行参数..........................................................................110
调整 Java 堆的大小 .............................................................113
元空间 .................................................................................113
与 GC 进行交互 ..................................................................113
第 12 章 基本输入和输出 ......................................115
标准的流 in、out 和 err .......................................................115
标准输入和输出类的层级结构 ............................................116
文件读取和写入 ............