第三周作业
发布于: 2020 年 06 月 23 日
1. 请在草稿纸上手写一个单例模式的实现代码,拍照提交作业。
2. 请用组合设计模式编写程序,打印输出图 1 的窗口,窗口组件的树结构如图 2 所示,打印输出示例参考图 3。
public interface Component void print()}public class MetaComponent implements Component{ private String name; MetaComponent(String name){ this.name = name; } @Override public void print() { System.out.println(name); }}public abstract class Container implements Component{ private List<Component> components = new ArrayList<>(); private String name; Container(String name){ this.name = name; } public void addComponent(Component component){ components.add(component); } public void print(){ System.out.println(name); for(Component c : components){ c.print(); } }}public class WinForm extends Container { WinForm(String name) { super(name); }}public class Frame extends Container { Frame(String name) { super(name); }}public class Button extends MetaComponent { Button(String name) { super(name); }}public class CheckBox extends MetaComponent { CheckBox(String name) { super(name); }}public class Label extends MetaComponent { Label(String name) { super(name); }}public class LinkLabel extends MetaComponent { LinkLabel(String name) { super(name); }}public class PasswordBox extends MetaComponent { PasswordBox(String name) { super(name); }}public class Picture extends MetaComponent { Picture(String name) { super(name); }}public class TextBox extends MetaComponent { TextBox(String name) { super(name); }}public class Main { public static void main(String[] args) { WinForm winForm = new WinForm("WinForm(Window窗口)"); Picture picture = new Picture("Picture(LOGO图片)"); Button button1 = new Button("Button(登录)"); Button button2 = new Button("Button(注册)"); Frame frame = new Frame("Frame(FRAME1)"); winForm.addComponent(picture); winForm.addComponent(button1); winForm.addComponent(button2); winForm.addComponent(frame); Label label = new Label("Label(用户名)"); TextBox textBox = new TextBox(("TextBox(文本框)")); Label label1 = new Label("Label(密码)"); PasswordBox passwordBox = new PasswordBox("PasswordBox(密码框)"); CheckBox checkBox = new CheckBox("(CheckBox(复选框)"); TextBox textBox1 = new TextBox("TextBox(记住用户名)"); LinkLabel linkLabel = new LinkLabel("LinkLable(忘记密码)"); frame.addComponent(label); frame.addComponent(textBox); frame.addComponent(label1); frame.addComponent(passwordBox); frame.addComponent(checkBox); frame.addComponent(textBox1); frame.addComponent(linkLabel); winForm.print(); }}
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发布于: 2020 年 06 月 23 日阅读数: 52
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