코드) 코드를 보고 결과를 예측해보세요 public class Person { public static void main(String[] args){ Dancer d = new Dancer(); Person p1 = new Person(); Person p2 = (Person) d; System.out.println("Dancer? " + (d instanceof Person)); System.out.println("Person?
" + (p2 instanceof Person)); System.out.println("Dancer? " + (p1 instanceof Dancer)); System.out.println("Dancer?
" + (p2 instanceof Dancer)); System.out.println("Actor? " + (p2 instanceof Actor)); } } class Dancer extends Person { } class Actor extends Per...
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child
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type
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Person
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