9분 13초 코드 실행 하면 객체 주소가 다 다른값이 나와요

강의에서는 다 같은 값으로 나오는데, 저는 왜 다른값으로 나올까요? ㅠ

package hello.core.member;

public class MemberServiceImpl implements MemberService {

    private final MemberRepository memberRepository;

    public MemberServiceImpl(MemoryMemberRepository memoryMemberRepository) {
        this.memberRepository = memoryMemberRepository;
    }

    @Override
    public void join(Member member) {
        memberRepository.save(member);
    }

    @Override
    public Member findMember(Long memberId) {
        return memberRepository.findById(memberId);
    }

    //테스트용도
    public MemberRepository getMemberRepository(){
        return memberRepository;
    }
}

package hello.core.member;

public class MemberServiceImpl implements MemberService {

    private final MemberRepository memberRepository;

    public MemberServiceImpl(MemoryMemberRepository memoryMemberRepository) {
        this.memberRepository = memoryMemberRepository;
    }

    @Override
    public void join(Member member) {
        memberRepository.save(member);
    }

    @Override
    public Member findMember(Long memberId) {
        return memberRepository.findById(memberId);
    }

    //테스트용도
    public MemberRepository getMemberRepository(){
        return memberRepository;
    }
}

package hello.core.order;

import hello.core.discount.DiscountPolicy;
import hello.core.member.Member;
import hello.core.member.MemberRepository;

public class OrderServiceImpl implements OrderService{

    private final MemberRepository memberRepository;
    private final DiscountPolicy discountPolicy;


    public OrderServiceImpl(MemberRepository memberRepository, DiscountPolicy discountPolicy) {
        this.memberRepository = memberRepository;
        this.discountPolicy = discountPolicy;
    }

    @Override
    public Order createOrder(Long memberId, String itemName, int itemPrice) {
        Member member = memberRepository.findById(memberId);
        int discountPrice = discountPolicy.discount(member, itemPrice);

        return new Order(memberId, itemName, itemPrice, discountPrice);
    }

    public MemberRepository getMemberRepositoryO() {
        return memberRepository;
    }
}

강의코드