Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience : DEX-450 exam

Salesforce DEX-450 Actual PDF
  • Exam Code: DEX-450
  • Exam Name: Programmatic Development using Apex and Visualforce in Lightning Experience
  • Updated: Jul 28, 2026
  • Q & A: 202 Questions and Answers
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About Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience : DEX-450 Exam

Salesforce DEX-450 Certification Path

You must get an idea of exactly what this certification is, before investing your valuable time, effort, or money in Salesforce. The demand and the need for Salesforce certified professionals are rapidly growing and so Salesforce Admin Certification is becoming more and more popular. Different types of online training sessions are provided such as Intellipaat 's online training sessions for the Salesforce Admin Qualification cost around $510 USD. It is instructor-led teaching by subject professionals working in major organizations. This style of training includes live sessions with the teacher, along with a forum where you can clear all your course-based doubts.

Self-paced sessions are also offered at the cost of $227 USD. This training mode involves pre-recorded video sessions. You can conveniently return to these talks and revisit the subjects you have skipped whether you have any difficulties with the lectures or have difficulty keeping up with the online meetings. You will also use these sessions to finish your exercise at your speed while you access these online lessons throughout your life.

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

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Salesforce DEX-450 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Apex Classes, Triggers, and Execution20%- Class structure, methods, and access modifiers
  • 1. Trigger types, context variables, and save order of execution
  • 2. Static variables and platform events
Topic 2: Data Modeling and Management20%- Custom objects, fields, and relationships
  • 1. Record types and business processes
  • 2. Formula and roll-up summary fields
Topic 3: Data Retrieval and Manipulation20%- SOQL and SOSL queries
  • 1. DML operations and error handling
  • 2. Relationship queries and parent-child traversal
Topic 4: Apex Programming Fundamentals25%- Apex syntax, data types, and control structures
  • 1. Governor limits and multi-tenant considerations
  • 2. Apex transactions and execution context
Topic 5: Visualforce Development15%- Page creation and standard controllers
  • 1. Custom controllers and controller extensions
  • 2. Integrating Visualforce with Lightning Experience

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