Week 3 作业 1

public interface Component{
    public void print(string name);
}
public class Picture implements Component{}
public class Button implements Component{}
public class Lable implements Component{}
public class TextBox implements Component{}
public class PasswordBox implements Component{}
public class CheckBox implements Component{}
public class TextBox implements Component{}
public class Linkable implements Component{}
public class Frame implements Component{
    public void addComponent(string name) {}
    public void removeComponent(string name) {}
    @Override
    public void print(Frame name){}
}
public class WinForm implements Component{
    public void addComponent(string name) {}
    public void removeComponent(string name) {}
    @Override
    public void print(WinForm name){}
}