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Zend 200-710 Exam - Topic 6 Question 69 Discussion

Actual exam question for Zend's 200-710 exam

Question #: 69
Topic #: 6

[All 200-710 Questions]

Which of the following code snippets is correct? (Choose 2)

Ainterface Drawable {
abstract function draw();
}

Binterface Point {
function getX();
function getY();
}

Cinterface Line extends Point {
function getX2();
function getY2();
}

Dinterface Circle implements Point {
function getRadius();
}

Show Suggested Answer

Suggested Answer: A

by Tarra at Jul 03, 2024, 12:28 AM

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Ty

8 months ago

No way, D is totally wrong!

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Graciela

9 months ago

Wait, D uses "implements" instead of "extends"? That's weird.

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Stevie

9 months ago

Definitely B and C!

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Nathan

9 months ago

I think A is also valid, but not sure.

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Raylene

9 months ago

B and C are correct.

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Sylvia

10 months ago

D looks wrong to me because interfaces can't implement other interfaces, right?

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Dorothy

10 months ago

I remember practicing a question similar to C, and it seems right because it extends another interface.

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Ilene

10 months ago

I'm not sure about A; I feel like the syntax for the abstract function might be off.

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Jennie

10 months ago

I think option B is definitely correct since it defines an interface properly with functions.

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Sue

10 months ago

I'm feeling pretty confident about this one. The key is to look for the proper interface syntax and make sure the relationships between the interfaces make sense. I'll double-check my answers before submitting.

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Sylvie

10 months ago

Hmm, I'm a bit confused by the wording of the question. Are we supposed to choose the two correct code snippets, or just identify which ones are correct? I'll need to re-read this a few times to make sure I understand.

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Evette

10 months ago

This looks like a pretty straightforward interface question. I'll start by carefully reading through each option and thinking about the syntax and relationships between the interfaces.

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Xochitl

10 months ago

Okay, I've got this. Options A and B are correct - they both define valid interfaces with the proper syntax. C and D have some issues, like extending an interface that doesn't exist (Point) or using the wrong keyword (implements instead of extends).

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Miles

10 months ago

This is a straightforward question about the difference between alpha levels in hypothesis testing. I'm confident I can answer this.

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Dottie

11 months ago

I feel pretty confident about this one. The question is clear, and I think option B is the correct answer. Setting the Mode to Indirect should allow us to add the menu item without generating any warehouse work.

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Jeannetta

1 year ago

Wait, I thought interfaces were for storing user data. This coding stuff is way over my head.

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Heike

1 year ago

Don't worry, coding can be complex but with practice, you'll get the hang of it!

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Lashawnda

1 year ago

Option B and D are correct because they define methods that must be implemented by classes that use the interfaces.

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Buck

1 year ago

Interfaces in coding are used to define a set of methods that a class must implement.

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Tomoko

1 year ago

A and B, easy peasy. Interfaces are like the Highlander - there can be only one abstract method per interface!

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Deeann

1 year ago

A and B, easy peasy. Interfaces are like the Highlander - there can be only one abstract method per interface!

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Lorrie

1 year ago

B) interface Point { function getX(); function getY(); }

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Casandra

1 year ago

A) interface Drawable { abstract function draw(); }

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Emily

1 year ago

C looks good to me. Extending an interface to add more methods makes sense.

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Tamesha

1 year ago

D is incorrect because interfaces cannot implement other interfaces.

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Fannie

1 year ago

C is correct because it extends the Point interface and adds more methods.

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Janey

1 year ago

I agree, B is correct because it defines two functions without any implementation.

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Pearly

1 year ago

I think A is incorrect because 'abstract' is not a valid keyword for a function in an interface.

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Denna

1 year ago

D is definitely wrong. Interfaces can't implement other interfaces, they can only extend them.

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Miesha

1 year ago

I'm not sure, but I think C and D make more sense.

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Lacresha

1 year ago

I think A and B are the correct answers. Interfaces can only have abstract methods, and they can't inherit from concrete classes like Point.

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Dominque

1 year ago

So A and B are the correct code snippets.

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Vallie

1 year ago

That's right, they can't inherit from concrete classes like Point.

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Kattie

1 year ago

Yes, interfaces can only have abstract methods.

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Regenia

1 year ago

I think A and B are the correct answers.

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Noah

1 year ago

I disagree, I believe B and D are the correct ones.

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Wei

1 year ago

I think A and B are correct.

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