DEX-450日本語 Exam Dumps

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Certification Provider:	Salesforce
Exam Code / Number:	DEX-450J
Exam Name:	Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版)
Exam Questions:	202
Last Updated:	Jun 24, 2026
Corresponding Certification:	Salesforce Developer

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Salesforce DEX-450日本語 Exam Syllabus Topics:

Topic	Details
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 the syntax of a trigger definition Display data from a record in a Visualforce page
Topic 3	Write a basic query using Salesforce’s query language, SOQL Write Apex to invoke DML operations and handle DML errors
Topic 4	Describe how triggers fit into and can be impacted by the Order of Execution Building a Data Model on the Salesforce Platform
Topic 5	Write a query that traverses a child-to-parent and parent-to-child relationship Creating Roll-Up Summary Fields
Topic 6	Visualforce Development Considerations and Testing Determine what data an Apex class can access
Topic 7	Write tests for action methods, getters, setters, and properties List the differences between the ways you can invoke DML operations
Topic 8	Describe common limit issues and security concerns Launch a Visualforce page using a custom button
Topic 9	Describe strategies for Testing Visualforce controllers Use SOQL to Query Parent-Child Relationships
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

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

Salesforce DEX-450 exam covers a wide range of topics related to programmatic development using Apex and Visualforce in Lightning Experience. These topics include Apex classes and triggers, Visualforce pages and components, Lightning components, Apex testing and debugging, and Salesforce development best practices. Candidates who pass DEX-450J exam will have a strong understanding of these topics and will be able to use them to develop custom applications and automate business processes in Salesforce.

The Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版) certification exam is ideal for developers who have a thorough understanding of programming languages such as Java and C#, as well as have good knowledge of database concepts such as SQL. DEX-450J exam will test the developer's ability to build custom applications using Apex, the Salesforce programming language, and Visualforce, the Salesforce user interface framework.