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DEX-450 PDF DEMO:

QUESTION NO: 1
A Visualforce page uses the Contact standard controller. How can a developer display the
Name from the parent Account record on the page?
A. Use SOQL syntax to find the related Accounts Name field.
B. Use additional Apex logic within the controller to query for the Name field.
C. Use the (!contact.Account.Name) merge field syntax.
D. Use an additional standard controller for Accounts.
Answer: C

QUESTION NO: 2
To which data type in Apex a currency field automatically assigned?
A. Integer
B. Double
C. Currency
D. Decimal
Answer: D

QUESTION NO: 3
A developer created a visualforce page using a custom controller that calls an apex helper class. A method in the helper class hits a governor limit. what is the result of the transaction?
A. All changes in the transaction are rolled back
B. The custom controller calls the helper class method ag
C. The helper class creates a savepoint and continues
D. All changes made by the custom controller are saved
Answer: D

QUESTION NO: 4
A developer wrote Apex code that calls out to an external system. How should a developer write the test to provide test coverage?
A. Write a class that implements the WebserviceMock interface.
B. Write a class that extends WebserviceMock
C. Write a class that extends HTTPCalloutMock.
D. Write a class that implements the HTTPCalloutMock interface.
Answer: D

QUESTION NO: 5
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?
A. Public class CheckPaymentProcessor implements PaymentProcessor {
public void pay(Decimal amount) {}
}
B. Public class CheckPaymentProcessor implements PaymentProcessor {
public void pay(Decimal amount);
}
C. Public class CheckPaymentProcessor extends PaymentProcessor {
public void pay(Decimal amount);
}
D. Public class CheckPaymentProcessor extends PaymentProcessor {
public void pay(Decimal amount) {}
}
Answer: A

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Updated: May 28, 2022

DEX-450 Valid Exam Notes - DEX-450 Latest Test Guide Files & Programmatic Development Using Apex And Visualforce In Lightning Experience

PDF Questions & Answers

Exam Code: DEX-450
Exam Name: Programmatic Development using Apex and Visualforce in Lightning Experience
Updated: June 09, 2025
Total Q&As:202
Salesforce Test DEX-450 Dumps Free

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PC Testing Engine

Exam Code: DEX-450
Exam Name: Programmatic Development using Apex and Visualforce in Lightning Experience
Updated: June 09, 2025
Total Q&As:202
Salesforce Free DEX-450 Download

  Free Download


 

Online Testing Engine

Exam Code: DEX-450
Exam Name: Programmatic Development using Apex and Visualforce in Lightning Experience
Updated: June 09, 2025
Total Q&As:202
Salesforce Latest Test DEX-450 Duration

  Free Download


 

Test DEX-450 Engine

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