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  • Exam Code: DEX-450J
  • Exam Name: Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版)
  • Last Updated: Aug 03, 2026
  • Q & A: 202 Questions and Answers
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  • Exam Code: DEX-450J
  • Exam Name: Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版)
  • Last Updated: Aug 03, 2026
  • Q & A: 202 Questions and Answers
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About Salesforce DEX-450日本語 Exam

Benefits in Obtaining Salesforce DEX-450 Certification

71 percent of bachelor's degree expert methodology and energetic methodology certified methodologists receive up to another 16 percent are recorded in the Salesforce annual analytical compensation survey. The certification from Salesforce DEX-450 strengthens your expertise as well as your know-how to ensure that your views are agile in a system of market research. The physical test applicants of the Salesforce DEX-450 certification perceive a fresh advantage on other comrades when being interviewed. In the project market, aspirants find themselves even more aggressive. Salesforce DEX-450 is understood worldwide so that certified aspirants, along with methods of organizational analysis, are simply more self-confident.

The DEX-450 qualification from Salesforce enhances your expertising and expertise to apply an agile perspective within a system of corporate research. At the interview DEX-450 examiners pick a corner over other comrades. In the labour market, aspirants are more competitive.

Salesforce DEX-450日本語 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Referencing Custom Controllers and Controller Extensions
  • Use the sObject data type, the primitive data types, and basic control statements in Apex
Topic 2
  • Describe strategies for Testing Visualforce controllers
  • Use SOQL to Query Parent-Child Relationships
Topic 3
  • Describe how triggers fit into and can be impacted by the Order of Execution
  • Building a Data Model on the Salesforce Platform
Topic 4
  • Describe common limit issues and security concerns
  • Launch a Visualforce page using a custom button
Topic 5
  • Process the result of a query in Apex
  • Understanding Record Types
  • Use trigger context variables
Topic 6
  • Write a basic query using Salesforce’s query language, SOQL
  • Write Apex to invoke DML operations and handle DML errors
Topic 7
  • Describe the memory lifecycle for static attributes
  • Use Platform Events for Immediate Error Logging
Topic 8
  • Visualforce Development Considerations and Testing
  • Determine what data an Apex class can access
Topic 9
  • Write tests for action methods, getters, setters, and properties
  • List the differences between the ways you can invoke DML operations
Topic 10
  • Describe practices for writing code that is easy to maintain and extend
  • Write triggers and classes that assume batches of data as input
Topic 11
  • Write a query that traverses a child-to-parent and parent-to-child relationship
  • Creating Roll-Up Summary Fields

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

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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

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Introduction to Salesforce DEX-450 Exam

This qualification concentrates on the programmer's validation of abilities, such as the programming of programs. Salesforce DEX-450 certification acknowledges that the applicant has the potential to conform his / her Salesforce applications to the heart of the Pinnacle programming language and the visual power diagram. The credential offers a better indicator of the competences which you have established to provide prospective employers. Professionals need to gain functional expertise in constructing and programming data objects (sObjectiles) to retrieve, modify and store data from these objects. Specify custom logic with Apex triggers and classes and use the built-in testing system to test this logic. This Guide covers all facets of the DEX-450 Test, the salary of the accredited specialist Salesforce DEX-450 and all the aspects of the Salesforce DEX-450 certification.

The Salesforce DEX-450 exam is a competency qualification test that acknowledges your capability growth. You need industry expertise to attempt the test. Professionals should execute the following duties following certification:

  • Using a declarative GUI to build and change subjects
  • Describe a range of the main features of multi-tenant programme architecture
  • Using the combined Apex and Visual Powers evaluation system.
  • Describe how the trigger code functions in the Save Execution Order
  • Write Visualforce and code for user interface setup
  • Write customizations of business logic using triggers and classes from Apex. SOQL and DML are used with these customizations.
  • Develop programmatic implementations that benefit from declarative personalizations

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