Salesforce Exam CRT-450 Topic 4 Question 58 Discussion

Actual exam question for Salesforce's CRT-450 exam

Question #: 58
Topic #: 4

A developer must implement a CheckPaymentProcessor class that provides check processing payment capabilities that adhere to what defined for payments in the PaymentProcessor interface. public interface PaymentProcessor { void pay(Decimal amount); } Which is the correct implementation to use the PaymentProcessor interface class?

APublic class CheckPaymentProcessor implements PaymentProcessor {
public void pay(Decimal amount) {}
}

BPublic class CheckPaymentProcessor implements PaymentProcessor {
public void pay(Decimal amount);
}

CPublic class CheckPaymentProcessor extends PaymentProcessor {
public void pay(Decimal amount);
}

DPublic class CheckPaymentProcessor extends PaymentProcessor {
public void pay(Decimal amount) {}
}

Show Suggested Answer

Suggested Answer: B

by Alease at Aug 07, 2024, 09:58 AM

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Demetra

4 months ago

Because the CheckPaymentProcessor class should implement the PaymentProcessor interface, not extend it.

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Gennie

4 months ago

Why do you think option D is correct?

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Demetra

4 months ago

I disagree, I believe option D is the correct one.

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Gennie

4 months ago

I think the correct implementation is option A.

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Cory

5 months ago

Because the CheckPaymentProcessor class should implement the PaymentProcessor interface, not extend it.

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Leandro

5 months ago

Why do you think option D is correct?

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Cory

6 months ago

I disagree, I believe option D is the correct one.

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Shawnta

6 months ago

Haha, C and D are just silly. You can't extend an interface, that's not how it works!

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Leandro

6 months ago

I think the correct implementation is option A.

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Emmett

6 months ago

I agree with Jesusita. Option A is the way to go. It's the only one that correctly implements the interface.

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Elke

4 months ago

Definitely, option A is the way to go.

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Diego

5 months ago

Yes, I agree. Option A correctly implements the interface.

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Emilio

5 months ago

I think option A is the correct implementation.

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Jesusita

6 months ago

Option A is the correct implementation. The class must implement the pay method defined in the interface.

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Anglea

5 months ago

D) Public class CheckPaymentProcessor extends PaymentProcessor { public void pay(Decimal amount) {} }

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Dorsey

5 months ago

C) Public class CheckPaymentProcessor extends PaymentProcessor { public void pay(Decimal amount); }

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Junita

5 months ago

B) Public class CheckPaymentProcessor implements PaymentProcessor { public void pay(Decimal amount); }

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Cherry

5 months ago

A) Public class CheckPaymentProcessor implements PaymentProcessor { public void pay(Decimal amount) {} }

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