Salesforce DEX-450日本語 : Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版)

DEX-450日本語 real exams

Exam Code: DEX-450J

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

Updated: Sep 10, 2026

Q & A: 202 Questions and Answers

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

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

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:

SectionWeightObjectives
Apex Classes, Triggers, and Execution20%- Class structure, methods, and access modifiers
  • 1. Static variables and platform events
  • 2. Trigger types, context variables, and save order of execution
Data Modeling and Management20%- Custom objects, fields, and relationships
  • 1. Formula and roll-up summary fields
  • 2. Record types and business processes
Visualforce Development15%- Page creation and standard controllers
  • 1. Custom controllers and controller extensions
  • 2. Integrating Visualforce with Lightning Experience
Apex Programming Fundamentals25%- Apex syntax, data types, and control structures
  • 1. Governor limits and multi-tenant considerations
  • 2. Apex transactions and execution context
Data Retrieval and Manipulation20%- SOQL and SOSL queries
  • 1. Relationship queries and parent-child traversal
  • 2. DML operations and error handling

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