学步园

需求：

图1：

图2：

图3：

类结构：

public class Main {
public static void main(String[] args) {
	Soft soft=new GameSoft();
	soft.setName("泡泡堂");
	SanXingBrand b=new SanXingBrand();
	b.setName("三星手机");
	b.handGame(soft);
}
}

public abstract class Brand {
	protected Soft soft;
	public Brand(){}
	public Brand(Soft soft){
		this.soft=soft;
	}
	private String name;

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}
}

//三星
public class SanXingBrand extends Brand{

	public void handGame(Soft soft){
		this.soft=soft;
		System.out.println(this.getName()+"玩"+soft.getName());
	}
}

public abstract class Soft {
private String name;

public String getName() {
	return name;
}

public void setName(String name) {
	this.name = name;
}
}

public class GameSoft extends Soft{

}