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第一章 JAVA 概述：　.................................................................................................7
Java 平台的优越性：....................................................................................................7
Java 跨平台的原因.................................................................................................7
Java 的运行方式.....................................................................................................8
JDK 的构成.............................................................................................................8
JAR 包.....................................................................................................................8
java 环境变量的设置.............................................................................................8
java 环境变量的概述......................................................................................8
Linux................................................................................................................9
Windows...........................................................................................................9
4）运行 windows 中的 cmd 窗口，输入如下命令.....................................................9
JAVA 中的常用执行命令.....................................................................................10
jar....................................................................................................................11
第二章 Java 源文件编写规范.....................................................................................11
Java 类名的使用...................................................................................................11
Main 方法..............................................................................................................11
Public static void main(String arg[]){..........................................................................11
Java 中的注释.......................................................................................................12
Java 的命名规范：...............................................................................................12
标识符............................................................................................................12
Java 命名的大小写编程规范：....................................................................13
Java 中的类型................................................................................................13
Boolean 布尔型............................................................................................................14
Char 中的转移字符.....................................................................................................14
A B................................................................................................................................15
局部变量........................................................................................................15
实例变量........................................................................................................15
Java 种的运算符...................................................................................................16
>>> 无符号右移一位 负数移位变成正数.................................................................16
java 中控制语句的使用.......................................................................................17
判断语句 if....................................................................................................17
选择语句 switch()..........................................................................................17
循环控制语句................................................................................................18
第三章 数组的实现.....................................................................................................19
数组概述...............................................................................................................19
数组的声明...........................................................................................................19
数组的创建...........................................................................................................20
数组创建过后的初始值：............................................................................20
初始化数组：................................................................................................20
多维数组：....................................................................................................21
数组拷贝........................................................................................................22
数组的排序....................................................................................................23
第四章 面向对象的思想.............................................................................................23
概述.......................................................................................................................23

方法的定义...........................................................................................................24
方法的实现....................................................................................................24
第五章 封装，继承，多态.........................................................................................27
封装.......................................................................................................................27
继承.......................................................................................................................28
多态.......................................................................................................................29
概述................................................................................................................30
两种复用........................................................................................................30
第六章 static final........................................................................................................31
Final.......................................................................................................................32
修饰方法........................................................................................................33
修饰类............................................................................................................33
第七章 abstract 和 接口..............................................................................................34
Abstract （抽象的）............................................................................................34
接口.......................................................................................................................35
接口的继承....................................................................................................35
接口的意义：................................................................................................36
第八章 java 中的类.....................................................................................................38
object.....................................................................................................................38
Finalize.........................................................................................................................38
Equals....................................................................................................................38
Equals() 覆盖首先要满足的原则：...........................................................................38
封装类...................................................................................................................39
Int i=10；.....................................................................................................................40
Double --------------------(x.toString)------------>String................................................40
Integer -----------------(Integer.valueOf() )----------------> String.................................40
String------------------(Integer.parseInt() )--------------->int..........................................40
//Integer----->Double....................................................................................................40
第九章 内部类.............................................................................................................42
概述.......................................................................................................................42
成员内部类...........................................................................................................42
静态内部类...........................................................................................................43
概述................................................................................................................43
Outer.Inner in=new Outer.Inner()；.............................................................................43
System.out.println("run")；.........................................................................................44
System.out.println("heart run")；................................................................................44
System.out.println("Robot run")；..............................................................................44
 Robot robot=new Robot()；.......................................................................................45
局部内部类...........................................................................................................45
 Outer o=new Outer()；...............................................................................................45
 System.out.println(index)；........................................................................................46
 Inner i=new Inner()；.................................................................................................46
匿名内部类...........................................................................................................46
第十章 异常处理.........................................................................................................48

概述.......................................................................................................................48
Throwable.....................................................................................................................48
Catch（ioexception）｛｝..........................................................................................49
Exception（例外/异常）......................................................................................49
异常的分类....................................................................................................49
Error 和 Exception。....................................................................................................49
Exception 有两个子类：.............................................................................................49
异常的传递....................................................................................................50
异常的处理方式............................................................................................50
Try..catch 捕获异常.......................................................................................51
Catch(IOException e){System.out.println(e.getMessage())}；..................................52
开发中的两个道理：....................................................................................52
注意................................................................................................................52
断言是一种调试工具（assert）...................................................................53
Finally｛｝表示无论有没有异常都会运行的代码。...............................................53
第十一章 集合.............................................................................................................54
集合类...................................................................................................................54
集合的概念....................................................................................................54
Collection 接口（以下介绍其子接口）.............................................................55
List 接口的实现类.........................................................................................57
Set 接口的实现类..........................................................................................58
Map 接口的实现类........................................................................................60
总结：............................................................................................................61
第十二章 java 中的图形界面.....................................................................................64
前期知识准备.......................................................................................................64
GUI（图形化的用户接口，为了人机交互使用的。）...........................................64
假如我们需要构造一个图形界面我们需要下面的步骤：........................64
JButton ：按钮............................................................................................................65
JRadioButton:单选按钮...............................................................................................65
JMenuBar：菜单条.....................................................................................................65
JSlider：滑动条...........................................................................................................66
JFileChooser：文件选择器.........................................................................................66
awt 事件模型（观察者模式）............................................................................66
 C c=new C(this)；......................................................................................................67
 B b=(B)it.next()；.......................................................................................................67
 A a=(A)c.getSource()；..............................................................................................68
 A a1=new A("Event")；..............................................................................................68
1，JButton 组件，按钮被点击...................................................................................69
Cs 架构 client server.............................................................................................69
QQ................................................................................................................................69
Awt...............................................................................................................................69
Swing............................................................................................................................70
第十三章 Java 多线程编程.........................................................................................71
Java 多线程编程...................................................................................................71

前期知识........................................................................................................71

线程编程的两种方法....................................................................................72

Thread t=new a()；......................................................................................................72

Runable r=new b()；//目标对象.................................................................................72

Thread t=new Thread(r)；//用目标对象构造线程对象.............................................73

Thread 的方法..............................................................................................................73

Try...............................................................................................................................73

Thread.sleep(1000)；..................................................................................................73

Class Gril......................................................................................................................75

Class Boy extends Thread............................................................................................75

线程的七种状态...................................................................................................78

初始状态........................................................................................................78

多线程的同步.......................................................................................................78

互斥锁标记　................................................................................................78

锁池状态........................................................................................................79

线程间的通信.......................................................................................................79

Notify...........................................................................................................................79

第十四章标准 I/O 流与文件......................................................................................80

标准 I/O 流与文件................................................................................................80

常用的 File 类的方法...........................................................................................81

处理跨平台性.......................................................................................................82

Java 中的 I/O..................................................................................................82

第十五章序列化.........................................................................................................90

ObjectInputStream 和 ObjectOutputStream（对象流）......................................90

Object o = new Object()；..........................................................................................90

FileOutputStream fos=new FileOutputStream("Object.txt")；..................................90

FileInputStream fis =new FileInputStream(“Object.txt”)；.......................................90

ObjectInputStream ois =new ObjectInputStream(fis)；.............................................90

注意：...................................................................................................................91

StringTokenizer（参数 1，参数 2）按某种符号隔开文件.......................................91

第十六章 java 中的网络编程......................................................................................92

知识点准备...........................................................................................................92

网络基础知识................................................................................................92

TCP/IP 模型..........................................................................................................94

TCP Socket.....................................................................................................95

UDP socket.....................................................................................................97

第十七章 JDK5.0 新特性............................................................................................98

自动装箱和自动拆箱...........................................................................................99

Integer i=1；相当于 Integer i=new Integer(1)；........................................................99

<5.0 之前>......................................................................................................99

Integer i=new Integer（4）； ...................................................................................99

<5.0 之后>......................................................................................................99

Integer i=4；................................................................................................................99

静态引入...............................................................................................................99

Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2))；........................................................100

增强的 for 循环( for each ).................................................................................100

System.out.println("曾经的风化绝代:" + b)；........................................................101

System.out.println("曾经的青史留名:" + b)；.........................................................101

Foreach each = new Foreach()；...............................................................................101

String b = belle[i]；..................................................................................................101

System.out.println("曾经的青史留名:" + b)；........................................................101

String name = (String) it.next()；.............................................................................101

System.out.println("曾经的风化绝代:" + b)；........................................................102

for each 的缺点：........................................................................................102

可变长的参数.....................................................................................................102

System.out.println("m(String)" +s)；.......................................................................102

System.out.println(s2)；...........................................................................................102

格式化输出.........................................................................................................103

类型安全的枚举.................................................................................................103

<在 5.0 之前使用模式做出枚举>...............................................................104

<在 5.0 中使用模式做出枚举>...................................................................104

SPRING(..),//枚举值.................................................................................................104

SPRING(“春”),-------------------------------逗号.........................................................105

SUMMER(“夏”),-------------------------------逗号.....................................................105

WINTER(“冬”)；-------------------------------分号....................................................105

Season2.SPRING.getName()---------------------春.....................................................105

ADD..........................................................................................................................105

SUBSTRACT............................................................................................................105

MULTIPLY...............................................................................................................105

DIVIDE.....................................................................................................................106

泛型.....................................................................................................................106

实现 java 中的模板编程..............................................................................106

java5.0 中的泛型.........................................................................................107

List<Integer> aList = new ArrayList<Integer>()；...................................................107

Integer myInteger = aList.get(0)；............................................................................107

HashMap<String,Float> hm = new HashMap<String,Float>()；.............................108

GenList<int> nList = new GenList<int>()； //编译错误.........................................108

Element temp = this.get(i)；......................................................................................108

MyList<String> list = new MyList<String>()；......................................................109

System.out.println(list.get(0) + " " + list.get(1))；...................................................109

List<String> l1=new ArrayList<String>()；............................................................109

System.out.println(a)；.............................................................................................111

// IOException or a subtype of...................................................................................113

System.out.println("IOException: " + ioe)；............................................................113

7，泛型类不能继承自 Throwable 以及其子类.......................................................113

第十八章反射和注释...............................................................................................114

反射.....................................................................................................................114

获得类对象的三种方式：（类对象不用 new 的方法得到的）..............114

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