school; 10 } 11 } 大纲 多态性 方法重载 关键字 static 关键字 final 上述代码为什么会编译出错 在 Java 类的构造方法中一定直接或间接地调用了其父类的构造 方法（Object 类除外）。 1. 在子类的构造方法中可使用 super 语句调用父类的构造方 法，其格式为 super(< 实参列表 >)。 2. 如果子类的构造方法中既没有显式地调用父类构造方法，也 没有使用 ConstructorOverloadSample.java 大纲 多态性 方法重载 关键字 static 关键字 final 上述代码为什么会编译出错 在 Java 类的构造方法中一定直接或间接地调用了其父类的构造 方法（Object 类除外）。 1. 在子类的构造方法中可使用 super 语句调用父类的构造方 法，其格式为 super(< 实参列表 >)。 2. 如果子类的构造方法中既没有显式地调用父类构造方法，也 没有使用 ConstructorOverloadSample.java 大纲 多态性 方法重载 关键字 static 关键字 final 上述代码为什么会编译出错 在 Java 类的构造方法中一定直接或间接地调用了其父类的构造 方法（Object 类除外）。 1. 在子类的构造方法中可使用 super 语句调用父类的构造方 法，其格式为 super(< 实参列表 >)。 2. 如果子类的构造方法中既没有显式地调用父类构造方法，也 没有使用

[extends < 父类名 >] { 2 [< 属性声明 >] 3 [< 构造方法声明 >] 4 [< 方法声明 >] 5 } Object 类是所有 Java 类的最高层父类, 如果在类的声明中未使 用 extends 关键字指明其父类，则默认父类为 Object 类。 大纲 包 继承 访问控制 方法重写 关键字 super 关键字 this Java 继承的特性 Java 只支持单继承，不允许多重继承。

Colin Sampaleanu, Darren Davison, Dmitriy Kopylenko, Thomas Risberg, Mark Pollack Copies of this document may be made for your own use and for distribution to others, provided that you do not charge any ..................................................................................... 149 13.6. Document views (PDF/Excel) ............................................................................. ............................................................... 177 16.4.1. Exposing the service object ...................................................................................... 177 16.4.2

Colin Sampaleanu, Darren Davison, Dmitriy Kopylenko, Thomas Risberg, Mark Pollack Copies of this document may be made for your own use and for distribution to others, provided that you do not charge any ..................................................................................... 148 13.6. Document views (PDF/Excel) ............................................................................. ............................................................... 173 16.4.1. Exposing the service object ...................................................................................... 173 16.4.2

Colin Sampaleanu, Darren Davison, Dmitriy Kopylenko, Thomas Risberg, Mark Pollack Copies of this document may be made for your own use and for distribution to others, provided that you do not charge any ..................................................................................... 143 13.6. Document views (PDF/Excel) ............................................................................. ............................................................... 168 16.4.1. Exposing the service object ...................................................................................... 168 16.4.2

Sampaleanu, Darren Davison, Dmitriy Kopylenko, Thomas Risberg, Mark Pollack, Rob Harrop Copies of this document may be made for your own use and for distribution to others, provided that you do not charge any ..................................................................................... 155 13.6. Document views (PDF/Excel) ............................................................................. ............................................................... 191 17.4.1. Exposing the service object ...................................................................................... 191 17.4.2

Sampaleanu, Darren Davison, Dmitriy Kopylenko, Thomas Risberg, Mark Pollack, Rob Harrop Copies of this document may be made for your own use and for distribution to others, provided that you do not charge any ..................................................................................... 154 13.6. Document views (PDF/Excel) ............................................................................. ............................................................... 190 17.4.1. Exposing the service object ...................................................................................... 190 17.4.2

Sampaleanu, Darren Davison, Dmitriy Kopylenko, Thomas Risberg, Mark Pollack, Rob Harrop Copies of this document may be made for your own use and for distribution to others, provided that you do not charge any ..................................................................................... 150 13.6. Document views (PDF/Excel) ............................................................................. ............................................................... 186 17.4.1. Exposing the service object ...................................................................................... 186 17.4.2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 1.3.4. Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Model Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Introduction to Document Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Thomas Risberg, Darren Davison, Dmitriy Kopylenko, Mark Pollack, Thierry Templier Copies of this document may be made for your own use and for distribution to others, provided that you do not charge any ..................................................................................... 167 13.6. Document views (PDF/Excel) ............................................................................. ............................................................... 192 15.4.1. Exposing the service object ...................................................................................... 192 15.4.2