MemoryMemberRepository에서 저장소 만들때&nbsp;
Map&lt;Long, Member&gt; store = new HashMap&lt;&gt;();이 아닌&nbsp;
private static을 붙여서 선언하는 이유는 무엇인가요&nbsp;

<span style="font-size: 12pt; font-family: Arial;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;안녕하세요. 님, 공식 서포터즈 OMG입니다.\n\n\n\n감사합니다.&quot;}" data-sheets-userformat="{&quot;2&quot;:1063747,&quot;3&quot;:{&quot;1&quot;:0},&quot;4&quot;:{&quot;1&quot;:2,&quot;2&quot;:16777215},&quot;9&quot;:0,&quot;11&quot;:0,&quot;12&quot;:0,&quot;14&quot;:{&quot;1&quot;:2,&quot;2&quot;:0},&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:12,&quot;23&quot;:1}" data-sheets-textstyleruns="{&quot;1&quot;:0}{&quot;1&quot;:10,&quot;2&quot;:{&quot;2&quot;:{&quot;1&quot;:2,&quot;2&quot;:1136076},&quot;9&quot;:1}}{&quot;1&quot;:17}" data-sheets-hyperlinkruns="{&quot;1&quot;:10,&quot;2&quot;:&quot;https://www.inflearn.com/blogs/617&quot;}{&quot;1&quot;:17}">안녕하세요.&nbsp;<span style="background-color: #ffffff; color: #495057; font-family: 'Noto Sans KR', -apple-system, 'system-ui', 'system-ui', 'Apple SD Gothic Neo', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif, Oxygen, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', Helvetica; font-size: 14px;">이유진님, <a class="in-cell-link" href="https://www.inflearn.com/blogs/617" target="_blank" rel="noopener">공식 서포터즈</a> OMG입니다.
<span style="font-size: 12pt; font-family: Arial;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;안녕하세요. 님, 공식 서포터즈 OMG입니다.\n\n\n\n감사합니다.&quot;}" data-sheets-userformat="{&quot;2&quot;:1063747,&quot;3&quot;:{&quot;1&quot;:0},&quot;4&quot;:{&quot;1&quot;:2,&quot;2&quot;:16777215},&quot;9&quot;:0,&quot;11&quot;:0,&quot;12&quot;:0,&quot;14&quot;:{&quot;1&quot;:2,&quot;2&quot;:0},&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:12,&quot;23&quot;:1}" data-sheets-textstyleruns="{&quot;1&quot;:0}{&quot;1&quot;:10,&quot;2&quot;:{&quot;2&quot;:{&quot;1&quot;:2,&quot;2&quot;:1136076},&quot;9&quot;:1}}{&quot;1&quot;:17}" data-sheets-hyperlinkruns="{&quot;1&quot;:10,&quot;2&quot;:&quot;https://www.inflearn.com/blogs/617&quot;}{&quot;1&quot;:17}">private은 본 강의의 선수지식인 기초 자바 언어에 대한 내용으로 객체지향과 관련된 내용으로 아래 링크를 참고하시면 원하는 답 뿐만 아니라 많은 것을 배우실 수 있을거라 생각합니다.
<span data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;안녕하세요. 님, 공식 서포터즈 OMG입니다.\n\n\n\n감사합니다.&quot;}" data-sheets-userformat="{&quot;2&quot;:1063747,&quot;3&quot;:{&quot;1&quot;:0},&quot;4&quot;:{&quot;1&quot;:2,&quot;2&quot;:16777215},&quot;9&quot;:0,&quot;11&quot;:0,&quot;12&quot;:0,&quot;14&quot;:{&quot;1&quot;:2,&quot;2&quot;:0},&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:12,&quot;23&quot;:1}" data-sheets-textstyleruns="{&quot;1&quot;:0}{&quot;1&quot;:10,&quot;2&quot;:{&quot;2&quot;:{&quot;1&quot;:2,&quot;2&quot;:1136076},&quot;9&quot;:1}}{&quot;1&quot;:17}" data-sheets-hyperlinkruns="{&quot;1&quot;:10,&quot;2&quot;:&quot;https://www.inflearn.com/blogs/617&quot;}{&quot;1&quot;:17}"><a href="https://velog.io/@turtle601/%EA%B0%9D%EC%B2%B4-4%EB%8C%80-%ED%8A%B9%EC%84%B1-%EC%BA%A1%EC%8A%90%ED%99%94%EC%A0%95%EB%B3%B4%EC%9D%80%EB%8B%89">https://velog.io/@turtle601/%EA%B0%9D%EC%B2%B4-4%EB%8C%80-%ED%8A%B9%EC%84%B1-%EC%BA%A1%EC%8A%90%ED%99%94%EC%A0%95%EB%B3%B4%EC%9D%80%EB%8B%89</a> 
<span data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;안녕하세요. 님, 공식 서포터즈 OMG입니다.\n\n\n\n감사합니다.&quot;}" data-sheets-userformat="{&quot;2&quot;:1063747,&quot;3&quot;:{&quot;1&quot;:0},&quot;4&quot;:{&quot;1&quot;:2,&quot;2&quot;:16777215},&quot;9&quot;:0,&quot;11&quot;:0,&quot;12&quot;:0,&quot;14&quot;:{&quot;1&quot;:2,&quot;2&quot;:0},&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:12,&quot;23&quot;:1}" data-sheets-textstyleruns="{&quot;1&quot;:0}{&quot;1&quot;:10,&quot;2&quot;:{&quot;2&quot;:{&quot;1&quot;:2,&quot;2&quot;:1136076},&quot;9&quot;:1}}{&quot;1&quot;:17}" data-sheets-hyperlinkruns="{&quot;1&quot;:10,&quot;2&quot;:&quot;https://www.inflearn.com/blogs/617&quot;}{&quot;1&quot;:17}">static은 아래링크에서 서포터즈 코즈위버님이 정리한 글을 보시면 도움 되리라 생각합니다.
<span data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;안녕하세요. 님, 공식 서포터즈 OMG입니다.\n\n\n\n감사합니다.&quot;}" data-sheets-userformat="{&quot;2&quot;:1063747,&quot;3&quot;:{&quot;1&quot;:0},&quot;4&quot;:{&quot;1&quot;:2,&quot;2&quot;:16777215},&quot;9&quot;:0,&quot;11&quot;:0,&quot;12&quot;:0,&quot;14&quot;:{&quot;1&quot;:2,&quot;2&quot;:0},&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:12,&quot;23&quot;:1}" data-sheets-textstyleruns="{&quot;1&quot;:0}{&quot;1&quot;:10,&quot;2&quot;:{&quot;2&quot;:{&quot;1&quot;:2,&quot;2&quot;:1136076},&quot;9&quot;:1}}{&quot;1&quot;:17}" data-sheets-hyperlinkruns="{&quot;1&quot;:10,&quot;2&quot;:&quot;https://www.inflearn.com/blogs/617&quot;}{&quot;1&quot;:17}"><a href="https://www.inflearn.com/questions/240845">https://www.inflearn.com/questions/240845</a>
&nbsp;
<span data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;안녕하세요. 님, 공식 서포터즈 OMG입니다.\n\n\n\n감사합니다.&quot;}" data-sheets-userformat="{&quot;2&quot;:1063747,&quot;3&quot;:{&quot;1&quot;:0},&quot;4&quot;:{&quot;1&quot;:2,&quot;2&quot;:16777215},&quot;9&quot;:0,&quot;11&quot;:0,&quot;12&quot;:0,&quot;14&quot;:{&quot;1&quot;:2,&quot;2&quot;:0},&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:12,&quot;23&quot;:1}" data-sheets-textstyleruns="{&quot;1&quot;:0}{&quot;1&quot;:10,&quot;2&quot;:{&quot;2&quot;:{&quot;1&quot;:2,&quot;2&quot;:1136076},&quot;9&quot;:1}}{&quot;1&quot;:17}" data-sheets-hyperlinkruns="{&quot;1&quot;:10,&quot;2&quot;:&quot;https://www.inflearn.com/blogs/617&quot;}{&quot;1&quot;:17}">private static은 두 가지 개념을 합쳐놓은 것으로 보시면 됩니다.
<span data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;안녕하세요. 님, 공식 서포터즈 OMG입니다.\n\n\n\n감사합니다.&quot;}" data-sheets-userformat="{&quot;2&quot;:1063747,&quot;3&quot;:{&quot;1&quot;:0},&quot;4&quot;:{&quot;1&quot;:2,&quot;2&quot;:16777215},&quot;9&quot;:0,&quot;11&quot;:0,&quot;12&quot;:0,&quot;14&quot;:{&quot;1&quot;:2,&quot;2&quot;:0},&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:12,&quot;23&quot;:1}" data-sheets-textstyleruns="{&quot;1&quot;:0}{&quot;1&quot;:10,&quot;2&quot;:{&quot;2&quot;:{&quot;1&quot;:2,&quot;2&quot;:1136076},&quot;9&quot;:1}}{&quot;1&quot;:17}" data-sheets-hyperlinkruns="{&quot;1&quot;:10,&quot;2&quot;:&quot;https://www.inflearn.com/blogs/617&quot;}{&quot;1&quot;:17}"> 감사합니다.

인프런 커뮤니티 질문&답변

private static Map<Long, Member> store = new HashMap<>()