Casting objects in java Would the following Yasser Ibrahim @Jobilize

Author: Yasser Ibrahim

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Question 62 / 297: Would the following code compile and if yes , what is the output?

interface Colorable {}

class Vehicle {}

class Car extends Vehicle implements Colorable {}

public class Tester {

	public static void main(String[] args) {

		Vehicle a = new Car();
		Colorable i = (Colorable) a;

		Vehicle b = new Vehicle(); 
		Colorable j = (Colorable) b; 
	}
}

Oracle Certified Professional Java Programmer Yasser Ibrahim casting objects in java

A The code compiles fine and produces no output

B The code compiles fine but throws a RuntimeException because of the second casting

C There is a compilation error because of the second casting

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Explanation:

The compiler doesn't object as long as the casting type is compatible with the declaration type

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