ITEC 3030 fall (2026-2027) System Architecture Midterm Multiple Choice Questions (12pages)

Question 9

Correct

What should go in [REDACTED 1] and [REDACTED 2] here?

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public interface OnOffAble {

void turnon();

void turnoff();

}

public interface Manipulable [REDACTED 1] OnOffable { void turn(int x, int y);

}

public abstract class Lamp [ REDACTED 2 Manipulable {

public abstract void install();

public void replace (){

/ Implementation */

}

}

public class IKEALamp extends Lamp {

/* What methods must we implement here? */

}

a. [REDACTED 1]: Implements, [REDACTED 2]: Implements

b. [REDACTED 1]: Extends, [REDACTED 2]: Extends

c. [REDACTED 1]: Implements, [REDACTED 2]: Extends

d. [REDACTED 1]: Extends, [REDACTED 2]: Implements