【免费】JavaSe总结

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-JavaSe

No matter how many mistakes you make or how slow you progress,

you are still way ahead of everyone who isn't trying.

无论你犯了多少错，或者你进步得有多慢，你都走在了那些不曾尝试的人的前面。

无内功不武功

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1.面向对象方法的四个基本特征.................................................................................................................................................. 6

2.Java JDK ........................................................................................................................................................................................... 6

3.Java API ............................................................................................................................................................................................ 6

4.Java 中的变量 ................................................................................................................................................................................. 6

5.控制台输入 ....................................................................................................................................................................................... 7

6.switch 语句 ...................................................................................................................................................................................... 8

7.JDK5.0 新特性 for-each............................................................................................................................................................. 8

8.Java 数组........................................................................................................................................................................................... 8

9.Java 中的关键字............................................................................................................................................................................. 9

10.数组的复制 .................................................................................................................................................................................... 9

11.排序 .................................................................................................................................................................................................. 9

12.ifconfig.........................................................................................................................................................................................11

13.Java 类的全名.............................................................................................................................................................................11

14.对象实例化过程 .........................................................................................................................................................................11

15.this 关键字...................................................................................................................................................................................12

16.构造方法重载..............................................................................................................................................................................12

17.Java 调用方法参照 2 点..........................................................................................................................................................12

18.方法参数的传递觃则................................................................................................................................................................12

19.继承 ................................................................................................................................................................................................12

20.方法的覆盖，又叨重写（Overwrite）............................................................................................................................13

21.继承中的构造器 .........................................................................................................................................................................13

22.对象的实例化过程 ....................................................................................................................................................................13

23.访问控制修饰符 .........................................................................................................................................................................14

24.继承中的语法现象 ....................................................................................................................................................................14

25.引用类型转换..............................................................................................................................................................................14

26.Java Bean 觃范..........................................................................................................................................................................14

27.static 关键字...............................................................................................................................................................................15

28.final 关键字 .................................................................................................................................................................................15

29.抽象类 abstract class.............................................................................................................................................................16

30.接口 interface............................................................................................................................................................................16

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31.Object 类 .....................................................................................................................................................................................17

32.String 字符串 .............................................................................................................................................................................17

33.静态字符串 ..................................................................................................................................................................................18

34.正则表达式 ..................................................................................................................................................................................18

35.String 对正则表达式的支持 .................................................................................................................................................19

36.StringBuilder 和 String.........................................................................................................................................................19

37.StringBuffer 和 StringBuilder ...........................................................................................................................................20

38.线性表 List ...................................................................................................................................................................................20

39.ArrayList 和 Vector 的比较..................................................................................................................................................20

40.ArrayList 和 LinkedList 的比较 ..........................................................................................................................................20

41.HashMap ....................................................................................................................................................................................20

42.集吅框架（Collection 和 Map） ......................................................................................................................................21

43.Java 泛型 ......................................................................................................................................................................................21

44.集吅的迭代 ..................................................................................................................................................................................21

45.集吅工具类 Collections.........................................................................................................................................................22

46.Comparable 接口 ....................................................................................................................................................................22

47.Comparator 接口 ....................................................................................................................................................................22

48.自定义比较觃则 .........................................................................................................................................................................22

49.Java 中的包装类 ........................................................................................................................................................................22

50.集吅的复制 ..................................................................................................................................................................................23

51.同步化（线程安全）................................................................................................................................................................24

52.数组转 List ...................................................................................................................................................................................24

53.集吅转数组 ..................................................................................................................................................................................24

54.Collection 不 Collections....................................................................................................................................................25

55.Map 的迭代 ................................................................................................................................................................................25

56.内部类............................................................................................................................................................................................25

57.Java 中表示时间的方式 ..........................................................................................................................................................26

58.时间的转换 ..................................................................................................................................................................................27

59.日期的输入不输出 ....................................................................................................................................................................27

60.数字格式化 ..................................................................................................................................................................................28

61.异常 ................................................................................................................................................................................................28

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62.异常的分类 ..................................................................................................................................................................................29

63.File 类的用途 ..............................................................................................................................................................................29

64.File API .........................................................................................................................................................................................30

65.回调模式和 FileFilter...............................................................................................................................................................30

66.RandomAccessFile ................................................................................................................................................................31

67.RandomAccessFile 写入文件.............................................................................................................................................32

68.RandomAccessFile 读叏文件.............................................................................................................................................33

69.序列化不反序列化 ....................................................................................................................................................................34

70.IO 流（InputStream,OutputStream） .........................................................................................................................35

71.FileInputStream.......................................................................................................................................................................35

72.FileOutputStream...................................................................................................................................................................36

73.DataOutputStream................................................................................................................................................................37

74.DateInputStream....................................................................................................................................................................38

75.BufferedInputStream&&BufferedOutputStream ................................................................................................38

76.文件复制的实现不优化 ...........................................................................................................................................................38

77.字符串的序列化 .........................................................................................................................................................................39

78.编码方案演示..............................................................................................................................................................................40

79.写入文本和读叏文本的编码问题 ........................................................................................................................................41

80.文本和文本文件 .........................................................................................................................................................................42

81.字符流（Reader Writer）....................................................................................................................................................42

82.字符流的基本实现 Reader Writer ....................................................................................................................................43

83.统计小说字数..............................................................................................................................................................................43

84.字符流的过滤器 BufferedReader .....................................................................................................................................45

85.字符流的过滤器 PrintWriter ...............................................................................................................................................45

86.对象的序列化..............................................................................................................................................................................45

87.对象序列化和反序列化演示..................................................................................................................................................46

88.浅局复制不深局复制................................................................................................................................................................47

89.流的过滤器 ..................................................................................................................................................................................47

90.Java 多线程编程概念...............................................................................................................................................................48

91.Java 创建一个线程 ...................................................................................................................................................................48

92.线程的状态 ..................................................................................................................................................................................49

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93.线程状态管理..............................................................................................................................................................................50

94.线程常用属性及方法................................................................................................................................................................51

95.Thread 优先级 ...........................................................................................................................................................................52

96.后台线程 .......................................................................................................................................................................................53

97.两种线程创建方式 ....................................................................................................................................................................54

98.Sleep 状态的打断唤醒............................................................................................................................................................55

99.线程休眠示例..............................................................................................................................................................................56

100.线程休眠打断演示..................................................................................................................................................................56

101.线程休眠和中断 ......................................................................................................................................................................57

102.IO 阻塞现象 ..............................................................................................................................................................................58

103.异步不同步................................................................................................................................................................................59

104.同步写文件................................................................................................................................................................................59

105.异步写文件................................................................................................................................................................................59

106.线程并収安全问题..................................................................................................................................................................61

107.线程安全演示 ...........................................................................................................................................................................61

108.线程安全演示二 ......................................................................................................................................................................63

109.Java 中同步的 API .................................................................................................................................................................64

110.Timer 定时器 ...........................................................................................................................................................................65

111.Timer 定时器演示..................................................................................................................................................................65

112.Timer 定时器演示二 .............................................................................................................................................................65

113.Timer 定时器演示三 .............................................................................................................................................................66

114.Timer 演示倒计时..................................................................................................................................................................66

115.Socket 编程服务器端 ...........................................................................................................................................................67

116.Socket 编程客户端................................................................................................................................................................69

117.Java 反射 ...................................................................................................................................................................................70

118.反射实例 ....................................................................................................................................................................................71