Salesforce DEX-450日本語 Q&A - in .pdf

  • DEX-450日本語 pdf
  • Exam Code: DEX-450日本語
  • Exam Name: Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版)
  • Updated: Sep 13, 2026
  • Q & A: 202 Questions and Answers
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  • Updated: Sep 13, 2026
  • Q & A: 202 Questions and Answers
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  • DEX-450日本語 Testing Engine
  • Exam Code: DEX-450日本語
  • Exam Name: Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版)
  • Updated: Sep 13, 2026
  • Q & A: 202 Questions and Answers
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Salesforce DEX-450 Certification leaning site Salesforce DEX-450 Certification resources

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

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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:

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

Salesforce DEX-450日本語 Exam Syllabus Topics:

SectionObjectives
Topic 1: Apex Triggers and Automation- Order of execution
  • 1. Salesforce transaction lifecycle
    - Trigger design patterns
    • 1. Bulkified trigger design
      • 2. Before and after triggers
        Topic 2: Testing and Debugging- Apex testing framework
        • 1. Code coverage requirements
          • 2. Test classes and methods
            - Debugging techniques
            • 1. System debug logs
              Topic 3: Visualforce Development- Pages and controllers
              • 1. Custom controllers and extensions
                • 2. Standard controllers
                  - UI components
                  • 1. Visualforce components and expressions
                    Topic 4: Security and Best Practices- Governor limits
                    • 1. Avoiding limit exceptions
                      - Security model
                      • 1. CRUD and FLS enforcement
                        • 2. Sharing rules and with sharing keyword
                          Topic 5: Apex Programming Fundamentals- Apex syntax and object-oriented concepts
                          • 1. Access modifiers and encapsulation
                            • 2. Classes, methods, and variables
                              - Collections and data handling
                              • 1. Iteration and data manipulation
                                • 2. Lists, Sets, and Maps
                                  Topic 6: Database and SOQL/SOSL- DML operations
                                  • 1. Bulk operations and limits
                                    • 2. Insert, update, delete, upsert
                                      - SOQL queries
                                      • 1. Basic and advanced query filtering
                                        • 2. Relationship queries

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