Exam Code: DEX-450
Exam Name: Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版)
Certification Provider: Salesforce
Corresponding Certification: Salesforce Developer

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Updated: Sep 13, 2026

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How to book the Salesforce DEX-450 Exam

There are the following steps for registering the Salesforce DEX-450 exam:

Step 1: Visit Salesforce Exam Registration Step 2: Signup/Login to Salesforce account Step 4: Select Date, time and confirm with the payment method

Reference: https://trailhead.salesforce.com/en/academy/classes/dex450-build-applications-programmatically-on-the-salesforce-platform/

Earning the Salesforce DEX-450 certification is a great way to showcase your expertise to potential employers and clients. Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版) certification is recognized worldwide and is highly respected within the Salesforce community. Additionally, passing DEX-450J exam is a requirement for some advanced certifications such as the Certified Technical Architect (CTA) certification. If you are looking to advance your career as a Salesforce developer, earning the Salesforce DEX-450 certification is a great way to demonstrate your skills and stand out from the competition.

Salesforce DEX-450 exam is a great way for developers to validate their expertise in developing custom applications on the Salesforce platform. DEX-450J exam covers a wide range of topics related to programmatic development using Apex and Visualforce in Lightning Experience. Passing the exam and receiving a certification from Salesforce can help developers stand out in the job market and demonstrate their skills to potential employers.

Salesforce DEX-450日本語 Exam Overview:

Certification Vendor:	Salesforce
Exam Name:	Programmatic Development using Apex and Visualforce in Lightning Experience
Exam Number:	DEX-450
Certificate Validity Period:	3 years
Exam Price:	$200 USD
Passing Score:	65%–80%
Real Exam Qty:	60–85
Exam Duration:	105–120
Available Languages:	English
Exam Format:	Multiple Choice, Multiple Select, Scenario-based
Related Certifications:	Salesforce Platform Developer II
Recommended Training:	Build Applications Programmatically on the Salesforce Platform (DEX450)
Exam Registration:	Salesforce Certification Portal
Sample Questions:	Salesforce DEX-450日本語 Sample Questions
Exam Way:	Online proctored or onsite testing center
Pre Condition:	Understanding of declarative development; experience with object-oriented programming; completion of recommended training or equivalent knowledge
Official Syllabus URL:	https://trailhead.salesforce.com/en/credentials/platform-developer-i

To prepare for the Salesforce DEX-450 exam, developers should have a strong understanding of the Salesforce platform and its various components. They should be familiar with the Apex programming language, as well as the Visualforce framework and Lightning Components. Additionally, developers should be proficient in using development tools such as the Salesforce Developer Console and the Force.com IDE. By mastering these skills and preparing thoroughly for the exam, developers can increase their chances of passing the Salesforce DEX-450 certification and advancing their careers in programmatic development on the Salesforce platform.

Salesforce DEX-450日本語 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Visualforce Development	15%	- Page creation and standard controllers 1. Custom controllers and controller extensions 2. Integrating Visualforce with Lightning Experience
Topic 2: Data Modeling and Management	20%	- Custom objects, fields, and relationships 1. Record types and business processes 2. Formula and roll-up summary fields
Topic 3: Data Retrieval and Manipulation	20%	- SOQL and SOSL queries 1. DML operations and error handling 2. Relationship queries and parent-child traversal
Topic 4: Apex Programming Fundamentals	25%	- Apex syntax, data types, and control structures 1. Apex transactions and execution context 2. Governor limits and multi-tenant considerations
Topic 5: Apex Classes, Triggers, and Execution	20%	- Class structure, methods, and access modifiers 1. Static variables and platform events 2. Trigger types, context variables, and save order of execution

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