package com.moonlit.myspring;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

@Configuration

public class MoonlitConfig {

    @Bean

    public Weapon halberd() {

        return new Halberd();

    }

    @Bean

    public Hero guanyu() {

        GuanYu gy = new GuanYu();

        gy.setWeapon(halberd());

        return gy;

    }

}

package com.moonlit.myspring;

public class GuanYu implements Hero {

    private Weapon weapon;

    public void perform() {

        System.out.println("Guan Yu pick up his weapon.");

        weapon.attack();

    }

    public Weapon getWeapon() {

        return weapon;

    }

    public void setWeapon(Weapon weapon) {

        this.weapon = weapon;

    }

}

package com.moonlit.practice;

import com.moonlit.myspring.Hero;

import com.moonlit.myspring.MoonlitConfig;

public class TestPractive {

    public static void main(String[] args) {

        Hero hero = new MoonlitConfig().guanyu();

        hero.perform();

    }

}