DEX-450 Exam Questions & Answers

  Printable PDF

Download Demo

DEX-450 Exam Questions & Answers

Vendor: Salesforce

Certifications: Salesforce Developer

Exam Code: DEX-450

Exam Name: Programmatic Development using Apex and Visualforce in Lightning

Updated: Jun 29, 2022

Q&As: 456

Note: Product instant download. Please sign in and click My account to download your product.

PDF Only: $45.99 Software Only: $49.99 Software + PDF: $59.99

The DEX-450 Questions & Answers covers all the knowledge points of the real exam. We update our product frequently so our customer can always have the latest version of the brain dumps. We provide our customers with the excellent 7x24 hours customer service. We have the most professional expert team to back up our grate quality products. If you still cannot make your decision on purchasing our product, please try our free demo.

Download Free Salesforce DEX-450 Demo

Experience exam material in PDF version.
Simply submit your e-mail address below to get started with our PDF real exam demo of your Salesforce DEX-450 exam.

Instant download
Latest update demo according to real exam

*Email Address

* Our demo shows only a few questions from your selected exam for evaluating purposes

Salesforce DEX-450 Last Month Results

Successful Stories of Salesforce DEX-450 Exam
High Score Rate in Actual Salesforce Exams
Same Questions from the Latest Real Exam

DEX-450 Online Practice Questions and Answers

Questions 1


Map accountMap = new Map>ID, Account> ([SELECT Id, Name FROM Account]);

What are three valid Apex loop structures for iterating through items in the collection? (Choose three.)

A. for (ID accountID : accountMap.keySet()) {...}

B. for (Account accountRecord : accountMap.values()) {...}

C. for (Integer i=0; I < accountMap.size(); i++) {...}

D. for (ID accountID : accountMap) {...}

E. for (Account accountRecord : accountMap.keySet()) {...}

Show Answer
Questions 2

Requirements state that a child record be to deleted when its parent is deleted, and a child can be moved to a different parent when necessary. Which type of relationship should be built between the parent and child objects in Schema Builder to support these requirements?

A. Lookup Relathionship from to child to the parent

B. Child relationship

C. Master-Detail relationship

D. Lookup Relathionship from to parent to the child

Show Answer
Questions 3

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 extends Payment { public override void makePayment(Decimal amount) { /*implementation*/ } }

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

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

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

Show Answer More Questions

Why Choose

  • Do you maintain 100% Guarantee on products?

    Yes. Our PDF of DEX-450 exam is designed to ensure everything which you need to pass your exam successfully. At, we have a completely customer oriented policy. We invite the rich experience and expert knowledge of professionals from the IT certification industry to guarantee the PDF details precisely and logically. Our customers' time is a precious concern for us. This requires us to provide you the products that can be utilized most efficiently.

  • Do you offer free after-sale services?

    Yes. We provide 7/24 customer help and information on a wide range of issues. Our service is professional and confidential and your issues will be replied within 12 hous. Feel free to send us any questions and we always try our best to keeping our Customers Satisfied.

  • Do you provide free updates?

    Yes, once there are some changes on DEX-450 exam, we will update the study materials timely to make sure that our customer can download the latest edition. The updates are provided free for 120 days.

  • What if I don't pass the exam? How do I claim Refund?

    Any user who fails the corresponding exam has 30 days from the date of purchase of Exam on for a full refund. We can accept and arrange a full refund requests only if your score report or any relevant filed be confirmed.

What Our Customers Are Saying:


  • United Kingdom

Passed with 927/1000 yesterday.This dumps is valid. Thank you all !!!


  • United States

this dumps is really good and useful, i have passed the exam successfully. i will share with my friend


  • South Africa

Passed yesterday..more than 75% questions came from this dumps.. So happy.


  • India

I passed the exam with perfect score. I'm so happy now. Thanks for my friends introduction, thanks for this dumps.


  • Malaysia

No new question when I seat for this exam because i have met all the new questions on this dumps.


  • Portugal

Passed with unexpected score. A big surprise. Thanks very much.


  • Pakistan

Valid dumps. Thanks very much.


  • Israel

i'm so happy that i passed the exam with full score, thanks for this dumps, thanks all.


  • South Africa

A very good study material, i just used one month and i passed the exam yesterday. So you can trust on it.


  • Turkey

dumps is valid.