When java classCastException is thrown Which Yasser @Jobilize.com

Author: Yasser Ibrahim

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Question 115 / 297: Which statement(s), inserted independently at // insert code here, will compile?
Choose 3

class Creature {
	String getName() {
		return "Creature";
	}
}

class Bird extends Creature {
	String getName() {
		return "Bird";
	}
}

class Falcon extends Bird {
	String getName() {
		return "Falcon";
	}
}

public class Tester {

	public static Bird getIt(Creature c) {
		System.out.println(c.getName());
		return (Bird) c;
	}

	public static void main(String[] args) {
		// insert code here
	}

}

Oracle Certified Professional Java Programmer Yasser Ibrahim When java classCastException is thrown?

getIt(new Creature());

getIt(new Bird());

getIt(new Falcon());

getIt(new Object());

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Explanation:

The code will compile fine when inserting the first three statements. But will throw a classCastException at run time for statement getIt(new Creature()); , because the casting then will fail.

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