【架构师训练营第 1 期】第三周作业
发布于: 2020 年 10 月 05 日
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
请用组合设计模式编写程序,打印输出图 1 的窗口,窗口组件的树形结构如图 2 所示,打印输出示例参考图 3
各个组件的定义:
public class Component { private String text; public Component(String text){ this.text=text; } public void draw(){ System.out.println("print "+this.getClass().getSimpleName()+"("+this.text+")"); }}
public class Container extends Component { List<Component> components = null; public Container(String text) { super(text); components = new ArrayList<>(); }
@Override public void draw() { super.draw(); int size = components.size(); for (int i = 0; i < size; i++) { components.get(i).draw(); } }
public void addComponent(Component component) { this.components.add(component); }}
public class Button extends Component {
public Button(String text) { super(text); }}
public class Label extends Component { public Label(String text) { super(text); }}
public class Picture extends Component { public Picture(String text) { super(text); }}
public class CheckBox extends Component { public CheckBox(String text) { super(text); }}
public class TextBox extends Component { public TextBox(String text) { super(text); }}
public class PasswordBox extends Component { public PasswordBox(String text) { super(text); }}
public class Linkable extends Component { public Linkable(String text) { super(text); }}
public class WinForm extends Container{ public WinForm(String text) { super(text); }}
public class Frame extends Container{ public Frame(String text) { super(text); }}复制代码
主程序:
public class HomeWork { public static void main(String[] args) { Container winForm = new WinForm("WINDOW窗口"); winForm.addComponent(new Picture("LOGO图片")); winForm.addComponent(new Button("登录")); winForm.addComponent(new Button("注册")); Frame frame = new Frame("FRAME1"); frame.addComponent(new Label("用户名")); frame.addComponent(new TextBox("文本框")); frame.addComponent(new Label("密码")); frame.addComponent(new PasswordBox("密码框")); frame.addComponent(new CheckBox("复选框")); frame.addComponent(new Label("记住用户名")); frame.addComponent(new Linkable("忘记密码")); winForm.addComponent(frame); winForm.draw(); } }复制代码
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发布于: 2020 年 10 月 05 日阅读数: 45
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