연산자 instanceof

[CODE type="java"]
class A { }
class B extends A { }
class C extends B { }

public class instanceofTest
{
public static void main(String args[])
{
 B ob = new B();
 if (ob instanceof B) System.out.println("B의 객체");
 if (ob instanceof C) System.out.println("C의 객체");
 if (ob instanceof A) System.out.println("A의 객체");
 
 A oa = new A();
 if (oa instanceof A) System.out.println("A의 객체");
 if (oa instanceof B) System.out.println("B의 객체");
 if (oa instanceof C) System.out.println("C의 객체");
 
}

}

[/HTML][/CODE]