架构师训练营第三周作业

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发布于: 2020 年 10 月 01 日
1.单例代码：
2.组合模式打印程序：
import java.util.ArrayList;
import java.util.List;
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abstract class Component {
	protected String name;
	protected List<Component> children;
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	public Component(String name) {
		this.name = name;
		children = new ArrayList<Component>();
	}
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	public abstract void add(Component component);
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	public abstract void remove(Component component);
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	public abstract void display();
}
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class Widget extends Component {
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	public Widget(String name) {
		super(name);
		
	}
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	@Override
	public void add(Component component) {
		children.add(component);
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	}
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	@Override
	public void remove(Component component) {
		children.remove(component);
	}
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	@Override
	public void display() {
		System.out.println("print " + this.getClass().getName() + "(" + this.name + ")");
		for (Component compont : children) {
			compont.display();
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		}
	}
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}
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class WinForm extends Widget {
	public WinForm(String name) {
		super(name);
	}
}
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class Picture extends WinForm {
	public Picture(String name) {
		super(name);
	}
}
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class Button extends WinForm {
	public Button(String name) {
		super(name);
	}
}
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class Frame extends WinForm {
	public Frame(String name) {
		super(name);
	}
}
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class Lable extends Frame {
	public Lable(String name) {
		super(name);
	}
}
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class TextBox extends Frame {
	public TextBox(String name) {
		super(name);
	}
}
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class PasswordBox extends Frame {
	public PasswordBox(String name) {
		super(name);
	}
}
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class CheckBox extends Frame {
	public CheckBox(String name) {
		super(name);
	}
}
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class LinkLable extends Frame {
	public LinkLable(String name) {
		super(name);
	}
}
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public class WidgetContainer {
	public static void main(String[] args) {
		WinForm form = new WinForm("WINDOWS窗口");
		Picture pic = new Picture("LOGO图片");
		Button logonButton = new Button("登录");
		Button registButton = new Button("注册");
		Frame frame = new Frame("FRAME1");
		Lable userNameLable = new Lable("用户名");
		TextBox textBox = new TextBox("文本框"); 
		Lable passwordLable = new Lable("密码");
		PasswordBox passwordBox = new PasswordBox("密码框");
		CheckBox checkBox = new CheckBox("复选框");
		Lable remeberUserNameLable = new Lable("记住用户名");
		LinkLable forgetPassword = new LinkLable("忘记密码");
		
		form.add(pic);
		form.add(logonButton);
		form.add(registButton);
		form.add(frame);
		frame.add(userNameLable);
		frame.add(textBox);
		frame.add(passwordLable);
		frame.add(passwordBox);
		frame.add(checkBox);
		frame.add(remeberUserNameLable);
		frame.add(forgetPassword);
		
		form.display();
	}
}
﻿