(2)Method Control Flow (3)Parameters (4)Local Data (5)Constructors 2.基本概念和知识点 (1)The value returned from a method must be consistent with the return type specified in the method header. (2)When a method is called,the actual parameters are copied into the formal parameters. (3)A variable declared in a method is local to that method and cannot be used outside of it. (4)A constructor cannot have any return type,even void. 3.问题与应用（能力要求） 深刻理解实例化时，构造方法的执行过程和内存分配情况。 第四节GUI components 1.主要内容 (1)Graphical User Interfaces (2)Events and Listeners (3)GUI Development (4)Buttons and Text Fields 2.基本概念和知识点 (1)A GUI is made up of components,events that represent user actions and listeners that respond to those events (2)Listeners are often defined as inner classes because of the intimate relationship between the listener and the GUI components. 3.问题与应用（能力要求 掌握Java GUI的事件处理机制，能够组合组件和事件监听机制完成 定功能。 融入点：用抗战时期地雷战中的哨岗以及地下党的谍战小视频讲解事件 监听机制。 (三)思考与实践 实现一个带Button、TextField组件，并能够做出响应的图像用户界面程序。 (四)教学方法与手段 主要以课堂讲授和案例展示为主。 12 12 (2) Method Control Flow (3) Parameters (4) Local Data (5) Constructors 2．基本概念和知识点 (1) The value returned from a method must be consistent with the return type specified in the method header. (2) When a method is called, the actual parameters are copied into the formal parameters. (3) A variable declared in a method is local to that method and cannot be used outside of it. (4) A constructor cannot have any return type, even void. 3．问题与应用（能力要求） 深刻理解实例化时，构造方法的执行过程和内存分配情况。 第四节 GUI components 1．主要内容 (1) Graphical User Interfaces (2) Events and Listeners (3) GUI Development (4) Buttons and Text Fields 2．基本概念和知识点 (1) A GUI is made up of components, events that represent user actions and listeners that respond to those events. (2) Listeners are often defined as inner classes because of the intimate relationship between the listener and the GUI components. 3．问题与应用（能力要求） 掌握 Java GUI 的事件处理机制，能够组合组件和事件监听机制完成一 定功能。 融入点：用抗战时期地雷战中的哨岗以及地下党的谍战小视频讲解事件 监听机制。 （三）思考与实践 实现一个带 Button、TextField 组件，并能够做出响应的图像用户界面程序。 （四）教学方法与手段 主要以课堂讲授和案例展示为主