🎯 아이템 24. 맴버 클래스는 되도록 static으로 만들라. 예제 ) 빌더 패턴 public class Member { private long mbrSn; private String mbrId; private String mbrPw; private String mbrNm; public Member(Builder builder) { this.mbrSn = builder.mbrSn; this.mbrId = builder.mbrId; this.mbrPw = builder.mbrPw; this.mbrNm = builder.mbrNm; } public static Builder builder(String id, String pw) { return new Builder(id, pw); } public stati..
