个人整理的Java学习笔记

\contentsline {chapter}{Contents}{2}{section*.1} {1}Java基础}{17}{chapter.1} {1.1}基本语法}{17}{section.1.1} {1.2}数字表达方式}{17}{section.1.2} {1.3}补码}{19}{section.1.3} {1.3.1}总结}{23}{subsection.1.3.1} {1.4}数据类型}{23}{section.1.4} {1.4.1}整数与浮点数}{23}{subsection.1.4.1} {1.4.1.1}浮点数原理}{24}{subsubsection.1.4.1.1} {1.4.2}格式化输出浮点数}{24}{subsection.1.4.2} {1.4.3}\texttt {char}}{24}{subsection.1.4.3} {1.4.4}转义字符}{25}{subsection.1.4.4} {1.4.5}Boolean 布尔值}{25}{subsection.1.4.5} {1.5}基本类型变量的初始值}{26}{section.1.5} {1.6}数据类型转换}{26}{section.1.6} {1.7}方法}{26}{section.1.7} {1.8}运算符}{27}{section.1.8} {1.8.1}自增运算}{28}{subsection.1.8.1} {1.8.1.1}Postincrement}{28}{subsubsection.1.8.1.1} {1.8.1.2}Preincrement}{28}{subsubsection.1.8.1.2} {1.8.1.3}复合赋值运算}{28}{subsubsection.1.8.1.3} {1.8.2}逻辑运算}{29}{subsection.1.8.2} {1.8.3}条件运算符}{29}{subsection.1.8.3} {1.8.4}移位运算符}{30}{subsection.1.8.4} {1.9}流程控制}{31}{section.1.9} {1.9.1}\texttt {if\ldots esle\ldots }}{31}{subsection.1.9.1} {1.9.2}\texttt {switch}}{31}{subsection.1.9.2} {1.9.3}\texttt {while}}{32}{subsection.1.9.3} {1.9.4}\texttt {for}}{32}{subsection.1.9.4} {1.9.5}foreach}{32}{subsection.1.9.5} {1.9.6}go-to}{33}{subsection.1.9.6} {1.9.7}\texttt {do-while}}{33}{subsection.1.9.7} {1.10}数组（array）}{34}{section.1.10} {1.10.1}数组变量的声明}{34}{subsection.1.10.1} {1.10.2}数组变量的初始化}{34}{subsection.1.10.2} {1.10.3}数组对象的引用}{35}{subsection.1.10.3} {1.10.4}数组对象的复制}{35}{subsection.1.10.4} {1.10.5}扩充数组对象长度}{36}{subsection.1.10.5} {1.10.6}Problems}{37}{subsection.1.10.6} {1.11}简单算法}{38}{section.1.11} {1.11.1}打乱算法}{38}{subsection.1.11.1} {1.11.2}排序算法}{38}{subsection.1.11.2} {1.11.2.1}选择排序}{38}{subsubsection.1.11.2.1} {1.11.2.2}冒泡排序}{39}{subsubsection.1.11.2.2} {1.11.2.3}插入排序}{40}{subsubsection.1.11.2.3} {1.11.3}递归调用}{41}{subsection.1.11.3} {1.12}Java API}{41}{section.1.12} {1.13}Linux命令}{41}{section.1.13} {1.13.1}基本查看、移动}{41}{subsection.1.13.1} {1.13.2}权限}{42}{subsection.1.13.2} {1.13.3}打包备份与恢复}{42}{subsection.1.13.3} {1.13.3.1}\texttt {tar},\texttt {gzip}}{42}{subsubsection.1.13.3.1} {1.13.3.2}\texttt {zip}}{42}{subsubsection.1.13.3.2} {1.13.3.3}文本创建与编辑}{43}{subsubsection.1.13.3.3} {1.14}\texttt {PATH}}{43}{section.1.14} {1.14.1}Java的打包命令}{44}{subsection.1.14.1} {2}Everything is an Object }{45}{chapter.2} {2.1}类与对象}{45}{section.2.1} {2.1.1}构造方法}{45}{subsection.2.1.1} {2.1.2}Java变量类型}{47}{subsection.2.1.2} {2.1.3}面向对象的编程}{47}{subsection.2.1.3} {2.2}继承}{48}{section.2.2} {2.2.1}super(), this()}{49}{subsection.2.2.1} {2.2.2}方法重写／覆盖}{50}{subsection.2.2.2} {2.3}修饰符}{51}{section.2.3} {2.4}父类对象的方法调用}{51}{section.2.4} {2.5}封装}{52}{section.2.5} {2.6}多态}{53}{section.2.6} {2.7}Sample code}{54}{section.2.7} {2.8}框架中移动的小球}{59}{section.2.8} {2.9}抽象与接口}{59}{section.2.9} {2.10}访问控制}{60}{section.2.10} {2.10.1}类的属性}{60}{subsection.2.10.1} {2.10.2}类的方法}{61}{subsection.2.10.2} {2.10.3}静态代码块}{62}{subsection.2.10.3} {2.11}\ttfamily final}{63}{section.2.11} {2.12}\ttfamily abstract}{63}{section.2.12} {2.13}\ttfamily interface}{64}{section.2.13} {2.14}JavaBean规范}{66}{section.2.14} {3}常用类}{67}{chapter.3} {3.1}Object类}{67}{section.3.1} {3.1.1}\ttfamily toString}{67}{subsection.3.1.1} {3.1.2}\ttfamily equals}{67}{subsection.3.1.2} {3.1.3}\ttfamily hashCode}{68}{subsection.3.1.3} {3.2}String类}{69}{section.3.2} {3.3}String常量重利用}{70}{section.3.3} {3.4}正则表达式}{71}{section.3.4} {3.5}StringBuffer}{75}{section.3.5} {3.6}StringBuilder}{76}{section.3.6} {3.7}StringBuilder与StringBuffer的缺点}{76}{section.3.7} {3.8}内部类}{77}{section.3.8} {4}Collection}{80}{chapter.4} {4.1}\ttfamily java.util.ArrayList}{80}{section.4.1} {4.2}\ttfamily java.util.LinkedList}{81}{section.4.2} {4.3}贪吃蛇案例}{82}{section.4.3} {4.4}散列表与HashMap}{83}{section.4.4} {4.4.1}java.util.HashMap}{83}{subsection.4.4.1} {4.5}\ttfamily java.util.HashSet}{84}{section.4.5} {4.6}泛型}{84}{section.4.6} {4.7}集合的迭代（Iterator）}{85}{section.4.7} {4.8}Collections集合工具类}{86}{section.4.8} {4.9}Comparable与Comparator}{86}{section.4.9} {4.9.1}Comparable}{86}{subsection.4.9.1} {4.9.2}Comparator}{87}{subsection.4.9.2} {4.10}包装类}{87}{section.4.10} {4.11}集合的复制}{88}{section.4.11} {4.12}集合的同步化}{89}{section.4.12} {4.13}集合转换为数组}{89}{section.4.13} {4.14}数组转换为集合}{89}{section.4.14} {4.15}Map的迭代}{90}{section.4.15} {4.15.1}字符统计}{91}{subsection.4.15.1} {5}格式化输入输出}{94}{chapter.5} {5.1}时间与日期}{94}{section.5.1} {5.1.1}各类时间日期转换}{94}{subsection.5.1.1} {5.1.2}时间的输入与输出}{97}{subsection.5.1.2} {5.2}数字的输入输出}{97}{section.5.2} {5.2.1}将浮点数四舍五入到指定精度}{98}{subsection.5.2.1} {6}Exception}{99}{chapter.6} {6.1}\ttfamily try-catch}{99}{section.6.1} {6.2}\ttfamily finally}{100}{section.6.2} {6.3}\ttfamily throws}{101}{section.6.3} {7}IO}{103}{chapter.7} {7.1}Java的文件系统管理}{103}{section.7.1} {7.2}回调模式与FileFilter}{104}{section.7.2} {7.3}\ttfamily RandomAccessFile}{106}{section.7.3} {7.4}基本类型数据序列化}{108}{section.7.4} {7.5}String的序列化}{109}{section.7.5} {7.6}InputStream与OutputStream}{109}{section.7.6} {7.6.1}FileInputStream}{109}{subsection.7.6.1} {7.6.2}FileOutputStream}{110}{subsection.7.6.2} {7.7}流}{110}{section.7.7} {7.8}Buffer}{112}{section.7.8} {7.9}字符流}{112}{section.7.9} {7.10}缓冲字符输入输出流}{113}{section.7.10} {7.11}文件常用操作}{114}{section.7.11} {7.12}对象序列化}{117}{section.7.12} {8}多线程}{121}{chapter.8} {8.1}线程的常用属性与方法}{121}{section.8.1} {8.2}后台线程}{123}{section.8.2} {8.3}创建线程的两种方法}{123}{section.8.3} {8.4}Runnable}{123}{section.8.4} {8.5}Sleep阻塞与打断唤醒}{124}{section.8.5} {8.5.1}sleep与wait的差异}{124}{subsection.8.5.1} {8.6}IO阻塞}{126}{section.8.6} {8.7}同步与异步}{126}{section.8.7} {8.8}Timer}{133}{section.8.8} {9}Java网络编程}{135}{chapter.9} {10}反射}{141}{chapter.10} {10.1}Class}{141}{section.10.1} {10.1.1}Field}{145}{subsection.10.1.1} {10.1.2}Method}{145}{subsection.10.1.2} {10.1.3}Constructor}{145}{subsection.10.1.3} {10.2}其他Java相关}{146}{section.10.2} {11}项目}{148}{chapter.11} {11.1}ELTS}{148}{section.11.1} {12}Oracle数据库}{151}{chapter.12} {12.1}术语}{151}{section.12.1} {12.2}登录数据库}{151}{section.12.2} {12.3}创建表格}{152}{section.12.3} {12.4}关于null值}{154}{section.12.4} {12.5}操作符与实例}{154}{section.12.5} {12.5.1}where}{154}{subsection.12.5.1} {12.6}函数}{156}{section.12.6} {12.7}组函数}{158}{section.12.7} {12.7.1}group by}{159}{subsection.12.7.1} {12.7.2}having}{160}{subsection.12.7.2} {12.8}子查询}{161}{section.12.8} {12.9} 授权与回收权限}{161}{section.12.9} {12.10}示例}{162}{section.12.10} {12.10.1}exists}{165}{subsection.12.10.1} {12.11}集合操作}{165}{section.12.11} {12.11.1}union}{166}{subsection.12.11.1} {12.11.2}intersect与minus}{166}{subsection.12.11.2} {12.11.3}join}{166}{subsection.12.11.3} {12.11.3.1}cross join}{166}{subsubsection.12.11.3.1} {12.11.3.2}inner join}{167}{subsubsection.12.11.3.2} {12.11.3.3}outer join}{170}{subsubsection.12.11.3.3} {12.11.3.4}full join}{172}{subsubsection.12.11.3.4} {12.12}inner join与outer join比较}{172}{section.12.12} {12.12.1}非等值连接}{174}{subsection.12.12.1} {12.13}DML语句}{175}{section.12.13} {12.13.1}insert}{175}{subsection.12.13.1} {12.13.2}create}{175}{subsection.12.13.2} {12.13.3}rownum}{175}{subsection.12.13.3} 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{13.5.1}MySQL}{198}{subsection.13.5.1} {13.6}连接池}{199}{section.13.6} {13.6.1}Wrapper}{199}{subsection.13.6.1} {13.7}DAO}{199}{section.13.7} {13.8}java.util.Date与java.sql.Date比较}{200}{section.13.8} {13.9}Meta Data}{201}{section.13.9} {13.10}可滚动结果集}{201}{section.13.10} {13.11}Procedure}{201}{section.13.11} {14}xml}{204}{chapter.14} {14.1}元素}{204}{section.14.1} {14.2}XML的设计}{205}{section.14.2} {14.3}DTD/Schema}{205}{section.14.3} {14.3.1}SAX应用}{206}{subsection.14.3.1} {14.4}dom4j}{207}{section.14.4} {14.5}XPath}{210}{section.14.5} {14.6}apache.commons}{211}{section.14.6} {15}sqlite3}{213}{chapter.15} {16}Web基础}{215}{chapter.16} {16.1}HTML}{215}{section.16.1} {16.2}head区域}{215}{section.16.2} {16.3}body区域}{216}{section.16.3} {16.4}常用标记}{216}{section.16.4} {16.4.1}span, div}{216}{subsection.16.4.1} {16.4.2}a}{216}{subsection.16.4.2} {16.4.3}img}{216}{subsection.16.4.3} {16.4.4}table}{217}{subsection.16.4.4} {16.5}form}{220}{section.16.5} {16.5.1}form的元素}{220}{subsection.16.5.1} {16.6}列表}{221}{section.16.6} {16.7}select与option}{221}{section.16.7} {16.8}frame}{222}{section.16.8} {16.9}CSS}{224}{section.16.9} {16.10}Selector}{228}{section.16.10} {16.11}样式属性}{230}{section.16.11} {16.11.1}border}{230}{subsection.16.11.1} {16.11.2}display}{230}{subsection.16.11.2} {16.11.3}position}{230}{subsection.16.11.3} {16.11.4}z-index}{231}{subsection.16.11.4} {16.11.5}文本属性}{231}{subsection.16.11.5} {16.11.6}边距属性}{231}{subsection.16.11.6} {16.11.7}float}{232}{subsection.16.11.7} {16.11.8}list-style}{232}{subsection.16.11.8} {16.12}JavaScript}{232}{section.16.12} {16.12.1}JavaScript基本语法}{236}{subsection.16.12.1} {16.12.2}内置数据类型}{237}{subsection.16.12.2} {16.12.3}带参数的函数}{237}{subsection.16.12.3} {16.13}常用内置对象}{238}{section.16.13} {16.13.1}String}{238}{subsection.16.13.1} {16.13.2}Array}{239}{subsection.16.13.2} {16.13.3}Math}{239}{subsection.16.13.3} {16.13.4}Date}{240}{subsection.16.13.4} {16.13.5}Error}{240}{subsection.16.13.5} {16.13.6}Regex}{240}{subsection.16.13.6} 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list}{478}{lstnumber.-637.8} {A}T-GWAP}{480}{appendix.A} {A.1}PO}{480}{section.A.1} {A.2}DAO}{480}{section.A.2} {A.2.1}使用连接池}{480}{subsection.A.2.1} {A.3}BO}{485}{section.A.3} {A.3.1}ThreadLocal}{486}{subsection.A.3.1} {A.4}FC}{486}{section.A.4} {A.5}View}{486}{section.A.5} {A.6}框架}{486}{section.A.6} {A.6.1}简单工厂}{486}{subsection.A.6.1} {B}问题}{489}{appendix.B} \contentsline {chapter}{Index}{491}{section*.9} {B.0.2},}{491}{subsection.B.0.2}