Salesforce DEX-450 dumps - in .pdf

DEX-450 pdf
  • Exam Code: DEX-450
  • Exam Name: Programmatic Development using Apex and Visualforce in Lightning Experience
  • Updated: Aug 11, 2026
  • Q & A: 202 Questions and Answers
  • PDF Price: $59.99
  • Free Demo

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  • Exam Code: DEX-450
  • Exam Name: Programmatic Development using Apex and Visualforce in Lightning Experience
  • Updated: Aug 11, 2026
  • Q & A: 202 Questions and Answers
  • PDF Version + PC Test Engine + Online Test Engine
  • Value Pack Total: $119.98  $79.99
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Salesforce DEX-450 dumps - Testing Engine

DEX-450 Testing Engine
  • Exam Code: DEX-450
  • Exam Name: Programmatic Development using Apex and Visualforce in Lightning Experience
  • Updated: Aug 11, 2026
  • Q & A: 202 Questions and Answers
  • Software Price: $59.99
  • Testing Engine

About Salesforce DEX-450 Exam braindumps

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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.

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 Fundamentals10%- Apex Primitives
  • 1. ID and sObject types
  • 2. Integer, Double, Long, String, Boolean types
  • 3. Date, Datetime, Time classes
- Apex Basics
  • 1. Using SOQL to query Salesforce data
  • 2. Apex operators and control flow statements
  • 3. Apex variables and data types
  • 4. DML operations (insert, update, delete, etc.)
Topic 2: Asynchronous Apex10%- Batch Apex
  • 1. start(), execute(), and finish() methods
  • 2. Database.Stateful
  • 3. Database.Batchable interface
- Future Methods
  • 1. AsyncRequestLimit exceeded handling
  • 2. @future annotation
Topic 3: Apex Testing13%- Testing Best Practices
  • 1. Coverage requirements (75% for deployment)
  • 2. Assert statement usage
  • 3. Using seeAllData=false for isolated tests
- Test Classes
  • 1. @isTest annotation
  • 2. Test.startTest() and Test.stopTest()
  • 3. Test data creation methods
Topic 4: Apex Triggers12%- Trigger Syntax and Context Variables
  • 1. Trigger.old and Trigger.new context variables
  • 2. Trigger.newMap and Trigger.oldMap
  • 3. Trigger events (before insert, after insert, etc.)
- Trigger Best Practices
  • 1. Recursive trigger prevention
  • 2. Handler class patterns
  • 3. One trigger per object pattern
Topic 5: Working with Data - SOQL and SOSL15%- SOSL (Salesforce Object Search Language)
  • 1. Returning sObjects from SOSL
  • 2. SOSL syntax and use cases
- SOQL (Salesforce Object Query Language)
  • 1. Aggregate functions (COUNT, SUM, AVG, MIN, MAX)
  • 2. Relationship queries (parent-child, child-parent)
  • 3. Basic SOQL queries
  • 4. Query options (LIMIT, ORDER BY, WHERE)
Topic 6: Apex Classes and Interfaces12%- Apex Interfaces
  • 1. Interface definition and implementation
  • 2. When to use interfaces
- Apex Classes
  • 1. Class structure (attributes, methods, constructors)
  • 2. Access modifiers (public, private, protected, global)
  • 3. Inheritance and virtual/abstract classes
Topic 7: Visualforce Pages8%- VF Page Basics
  • 1. component structure
  • 2. Controllers and controller extensions
  • 3. Visualforce expressions
- VF Standard Components
  • 1. ,
  • 2. , ,
  • 3. Action methods and pageReference
Topic 8: Apex Transaction Management10%- Transaction Control
  • 1. System.debug() usage
  • 2. Database methods with allOrNone parameter
  • 3. Savepoint and rollback
- Governor Limits
  • 1. CPU time and heap size limits
  • 2. DML statement limits
  • 3. SOQL query limits

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