신사임당 79기 36강 Java #다형성 #polymorphism #형변환 #classcastexception #instanceof연산자
Synopsis
다형성(polymorphism) 하나의 객체가 여러가지 타입을 가질 수 있는것 [formula] 부모클래스명 다형적변수=new 자식클래스명(); ...
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