package neibulei.Demo7;

public interface Skill {
    void use(); //释放技能的抽象方法
}

====================

package neibulei.Demo7;

public class SkillImple implements Skill{
    @Override
    public void use() {
        System.out.println("11111");
    }
}

===========

package neibulei.Demo7;

public class Hero {
    private String name;
    private Skill skill;

    public Hero(String name, Skill skill) {
        this.name = name;
        this.skill = skill;
    }

    public Hero() {
    }

    public String getName() {
        return name;
    }

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

    public Skill getSkill() {
        return skill;
    }

    public void setSkill(Skill skill) {
        this.skill = skill;
    }
    public void attack(){
        System.out.println(name+"   ");
        skill.use();
        System.out.println("完成");
    }
}

================

package neibulei.Demo7;

public class DemoTest {
    public static void main(String[] args) {
        Hero hero=new Hero();
        hero.setName("小炮");

    hero.setSkill(new SkillImple());   //使用单独定义的实现类 发生了自动向上转型
    hero.attack();
    System.out.println("========");
    Skill skill=new Skill() {          //使用匿名内部类来实现
        @Override
        public void use() {
            System.out.println("打炮");
        }
    };
    hero.setSkill(skill);
    hero.attack();
    System.out.println("=======");

    hero.setSkill(new Skill() {      //使用匿名内部类的匿名对象
        @Override
        public void use() {
            System.out.println("疯狂打炮");
        }
    });
    hero.attack();
    System.out.println("=======");

}

}