PDI Exam Dumps | A developer must create a CreditcardPayment class that provides an implementation of an existing Payment

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Question 17/59

A developer must create a CreditcardPayment class that provides an implementation of an existing Payment class. Public virtual class Payment { public virtual void makePayment(Decimal amount) { /*implementation*/ } } Which is the correct implementation?

A. Public class CreditCardPayment implements Payment {
public override void makePayment(Decimal amount) { /*Implementation*/ }
}

B. Public class CreditCardPayment extends Payment {
public virtual void makePayment(Decimal amount) { /*implementation*/ }
}

C. Public class CreditcardPayment extends Payment {
public override void makePayment(Decimal amount) { /*implementation*/ }
}

D. Public class CreditCardPayment implements Payment {
public virtual void makePayment(Decimal amount) { /*implementation*/ }
}

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Shivani - Mar 22, 2025

Option C
public virtual class Marker {
public virtual void write() {
System.debug('Writing some text.');
}

public virtual Double discount() {
return .05;
}
}
// Extension for the Marker class
public class YellowMarker extends Marker {
public override void write() {
System.debug('Writing some text using the yellow marker.');
}
}

Rad Jank - Nov 24, 2022

C
https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_classes_extending.htm

Question 17/59

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