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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

Prepare with Salesforce : DEX-450日本語 exam braindumps as your best preparation materials

DEX-450日本語

Updated: Sep 06, 2026

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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
Related Certifications:Salesforce Platform Developer I
Salesforce Platform Developer II
Available Languages:English
Exam Format:Course assessment (format varies by provider), Multiple choice questions (typical Salesforce training exams)
Recommended Training:Salesforce Apex Developer Guide
Salesforce Visualforce Developer Guide
Exam Registration:Salesforce Trailhead Training
Sample Questions:Salesforce DEX-450日本語 Sample Questions
Exam Way:Instructor-led training assessment or course completion exam (varies by training provider)
Pre Condition:Basic understanding of object-oriented programming and database concepts is recommended. Prior Salesforce experience is helpful but not strictly required.
Official Syllabus URL:https://trailhead.salesforce.com

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.

What is the duration, language, and format of Salesforce DEX-450 Exam

  • Passing score 80%
  • The type of questions is Multiple Choice and situation-based questions.
  • This exam is offered in only English.
  • Certification Validity period : 3 years.
  • This exam consists of 85 questions
  • There is a time limit of 120 minutes for the exam.

The validity of the Salesforce DEX-450 certification is three years.

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

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: Visualforce Development- UI components
        • 1. Visualforce components and expressions
          - Pages and controllers
          • 1. Standard controllers
            • 2. Custom controllers and extensions
              Topic 3: Testing and Debugging- Debugging techniques
              • 1. System debug logs
                - Apex testing framework
                • 1. Test classes and methods
                  • 2. Code coverage requirements
                    Topic 4: Database and SOQL/SOSL- DML operations
                    • 1. Bulk operations and limits
                      • 2. Insert, update, delete, upsert
                        - SOQL queries
                        • 1. Relationship queries
                          • 2. Basic and advanced query filtering
                            Topic 5: Security and Best Practices- Governor limits
                            • 1. Avoiding limit exceptions
                              - Security model
                              • 1. Sharing rules and with sharing keyword
                                • 2. CRUD and FLS enforcement
                                  Topic 6: 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

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