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Salesforce certifications are an excellent way for professionals to demonstrate their expertise in the Salesforce ecosystem. The Salesforce Certified Programmers are responsible for developing innovative applications using Salesforce technologies. These developers are skilled in Apex, Visualforce, and Lightning. The Salesforce DEX-450 Certification Exam is specifically designed to test the developers' programming abilities using Apex and Visualforce in the Lightning Experience.



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Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q117-Q122):

NEW QUESTION # 117
The orderHelper class is a utility class that contains business logic for processing orders. Consider the following code snippet:
A developer needs to create a constant named DELIVERY_MULTIFILTER with a value of 4.15. The value of the constant should not change at any time in the code.
How should the developer declare the DELIVERY_MULTIFILTER constant to meet the business objectives?

* A. Constant decimal DELIVERY_MULTIFILTER = 4.15;
* B. Static final decimal DELIVERY_MULTIFILTER = 4.15;
* C. Decimal DELIVERY_MULTIFILTER = 4.15;
* D. Static decimal DELIVERY_MULTIFILTER = 4.15;
Answer: B

NEW QUESTION # 118
A developer is creating an enhancement to an application that will allow people to be related to their employer. Which data model provides the simplest solution to meet the requirements?

* A. Create a master-detail relationship to indicate that a person has an employer
* B. Create a lookup realtionship to indicate that a person has an employer
* C. Create a junction object to relate many people to many through lookup relationship
* D. Create a junction object to relate many people to many through master-detail relationship
Answer: A

NEW QUESTION # 119
The values 'High', 'Medium', and 'Low' are Identified as common values for multiple picklist across different object. What is an approach a developer can take to streamline maintenance of the picklist and their values, while also restricting the values to the ones mentioned above?

* A. Create the Picklist on each object and use a Global Picklist Value Set containing the Values.
* B. Create the Picklist on each object as a required field and select "Display values alphabeticaly, not in the order entered".
* C. Create the Picklist on each object and select "Restrict picklist to the values defined in the value set".
* D. Create the Picklist on each and add a validation rule to ensure data integrity.
Answer: A

NEW QUESTION # 120
A custom exception "RecordNotFoundException" is defined by the following code of block.public class RecordNotFoundException extends Exception()which statement can a developer use to throw a custom exception?choose 2 answers

* A. throw RecordNotFoundException("problem occured");
* B. Throw RecordNotFoundException();
* C. Throw new RecordNotFoundException("problem occured");
* D. Throw new RecordNotFoundException();
Answer: C,D

NEW QUESTION # 121
A developer created a Visualforce page and custom controller to display the account type field as shown below.
Custom controller code:

Visualforce page snippet:

The value of the account type field is not being displayed correctly on the page. Assuming the custom controller is properly referenced on the Visualforce page, what should the developer do to correct the problem?

* A. Change theAccount attribute to public.
* B. Convert theAcccunt, type to a String.
* C. Add a getter method for the actType attribute.
* D. Add with sharing to the custom controller.
Answer: C

NEW QUESTION # 122
......

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