Salesforce Programmatic Development using Apex and Visualforce : DEV-450

  • Exam Code: DEV-450
  • Exam Name: Salesforce Programmatic Development using Apex and Visualforce
  • Updated: Sep 13, 2026     Q & A: 65 Questions and Answers

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About Salesforce DEV-450 Exam

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Salesforce Certified Platform Developer I (SU18) DEV-450 Dumps will include below mentioned topics with Exam focused percentage

  • Data Modeling and Management: 12%
  • Debug and Deployment Tools: 10%
  • Salesforce Fundamentals: 10%
  • User Interface: 10%
  • Testing: 12%
  • Logic and Process Automation: 46%

Overview about Salesforce DEV-450 Exam

  • Passing Score: 65%
  • Format: Multiple choice, multiple answer
  • Number of Questions: 60
  • Retake Fee : 100 USD
  • Registration Fee: 200 USD
  • Length of Examination: 110 minutes

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Salesforce DEV-450 Exam Syllabus Topics:

SectionObjectives
Efficient Apex Design- Performance and Scalability
  • 1. Bulkification
  • 2. Database Optimization
  • 3. Maintainable Code Practices
Apex Testing- Testing Framework
  • 1. Test Data Creation
  • 2. Code Coverage
  • 3. Testing Best Practices
  • 4. Test Classes
Lightning Components- Modern UI Development
  • 1. Component Deployment
  • 2. Aura Components
  • 3. Lightning Web Components
Order of Execution and Transactions- Platform Execution Model
  • 1. Apex Transactions
  • 2. Save Order of Execution
  • 3. Platform Events
Programming with Apex- Apex Fundamentals
  • 1. Governor Limits
  • 2. Control Statements
  • 3. Apex Language Basics
  • 4. sObjects and Data Types
SOQL and SOSL- Data Retrieval
  • 1. SOSL Searches
  • 2. Basic SOQL Queries
  • 3. Relationship Queries
  • 4. Dynamic Queries
DML Operations- Data Manipulation
  • 1. Insert Update Delete Operations
  • 2. Error Handling
  • 3. Bulk Processing
Visualforce Development- User Interface Customization
  • 1. List Controllers
  • 2. Custom Controllers
  • 3. Controller Extensions
  • 4. Standard Controllers
  • 5. Visualforce Pages
Deployment- Application Lifecycle
  • 1. Salesforce DX
  • 2. Packages
  • 3. Change Sets
  • 4. Migration Tools
Apex Classes- Class Development
  • 1. Class Definitions
  • 2. Access Modifiers
  • 3. Reusable Business Logic
Objects and Fields- Custom Objects and Fields
  • 1. Create Custom Fields
  • 2. Relationship Fields
  • 3. Create Custom Objects
Visualforce Testing and Security- Development Considerations
  • 1. Security Considerations
  • 2. Testing Controllers
  • 3. Performance Optimization
Triggers- Trigger Development
  • 1. Trigger Context Variables
  • 2. Trigger Design Patterns
  • 3. Trigger Syntax
Declarative Automation- Platform Configuration
  • 1. Formula Fields
  • 2. Roll-Up Summary Fields
  • 3. Record Types
  • 4. Automation Tools

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