<div style="color: #d4d4d4; background-color: #1e1e1e; font-family: Consolas, 'Courier New', monospace; font-size: 14px; line-height: 19px; white-space: pre;">
<div><span style="color: #569cd6;">public</span>&nbsp;<span style="color: #569cd6;">interface</span>&nbsp;<span style="color: #4ec9b0;">MemberRepository</span>&nbsp;<span style="color: #569cd6;">extends</span>&nbsp;<span style="color: #4ec9b0;">CrudRepository</span>&lt;<span style="color: #4ec9b0;">Member</span>,&nbsp;<span style="color: #4ec9b0;">Long</span>&gt;&nbsp;{</div>
<div>}</div>
<br />---<br />
<div style="line-height: 19px;"><br />
<div><span style="color: #569cd6;">private</span>&nbsp;<span style="color: #569cd6;">final</span>&nbsp;<span style="color: #4ec9b0;">MemberRepository</span>&nbsp;<span style="color: #9cdcfe;">memberRepository</span>;</div>
</div>
<br /><br />
<div style="line-height: 19px;">
<div><span style="color: #4ec9b0;">Member</span>&nbsp;<span style="color: #9cdcfe;">member</span>&nbsp;=&nbsp;<span style="color: #9cdcfe;">memberRepository</span>.<span style="color: #dcdcaa;">findById</span>(memberId).<span style="color: #dcdcaa;">get</span>();</div>
<div></div>
<div><span style="color: #4ec9b0;">Delivery</span>&nbsp;<span style="color: #9cdcfe;">delivery</span>&nbsp;=&nbsp;<span style="color: #c586c0;">new</span>&nbsp;<span style="color: #dcdcaa;">Delivery</span>();</div>
<div><span style="color: #9cdcfe;">delivery</span>.<span style="color: #dcdcaa;">setAddress</span>(<span style="color: #9cdcfe;">member</span>.<span style="color: #dcdcaa;">getAddress</span>());</div>
<br />
<div></div>
</div>
<br /><br /><br /><br /></div>

<p>죄송합니다. 이거 취소누른다고 눌렀는데 등록을 누른거 같습니다&nbsp;</p>

Inflearn コミュニティ Q&A

스프링 데이터 JPA 옵셔널 처리