✏️7.5 클래스 추출하기 (Extract Class)
class Person{
get officeAreaCode() {return this._officeAreaCode;}
get officeNumber() {return this._officeNumber;}
}class Person{
get officeAreaCode() {return this._telephoneNumber.areaCode;}
get officeNumber() {return this._telephoneNumber.number;}
}
class telephoneNumber {
get areaCode() {return this._areaCode;}
get number() {return this._number;}
}🧷 배경
🧷 절차
🧷 예시
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