Kıbrıs Salesforce - DEX450 Programmatic Development using Apex and Visualforce in Lightning Experience Eğitimi

The prerequisites include a solid understanding of basic Salesforce concepts and functionality and:

• 1 year programming in Java (or another object-oriented programming language)
• Basic data modeling for relational databases
• Basic SQL
• Basic HTML
• Basic JavaScript

• Create and modify objects using the declarative interface
• Write business logic customizations using Apex triggers and classes. Those customizations will use SOQL and DML.
• Design programmatic solutions that take advantage of declarative customizations
• Describe how your trigger code works within the basics of the Save Order of Execution
• Describe some of the fundamental aspects of designingprograms on a multi-tenant platform
• Write Visualforce markup and code to customize the user interface
• Use the built-in testing framework to test Apex and Visualforces

Objects and Fields

• Describe the capabilities of objects on the Salesforce platform
• Create a custom object
• Create custom fields
• Create relationship fields

Work Effectively with Custom Objects and Fields

• Create formula fields
• Create roll-up summary fields
• Describe the capabilities of record types

Programming with Apex

• Describe key aspects of Apex that differentiate it from other languages, such as Java and C#
• Describe why Apex transactions and governor limits must be considered when writing Apex
• Execute simple Apex
• Use the sObject data type, the primitive data types, and basic control statements in Apex

Use SOQL to Query Your Org’s Data

• Write a basic query using Salesforce’s query language, SOQL
• Process the result of a query in Apex
• Create a query dynamically at run-time

Use SOQL to Query Parent-Child Relationships

• Describe a relationship query
• Write a query that traverses a child-to-parent relationship
• Write a query that traverses a parent-to-child relationship

DML Essentials

• List the differences between the ways you can invoke DML operations
• Write Apex to invoke DML operations and handle DML errors

Trigger Essentials

• Describe what a trigger is used for
• Describe the syntax of a trigger definition
• Use trigger context variables

Classes

• Describe how Apex classes are used
• Define an Apex class
• Determine what data an Apex class can access

The Save Order of Execution and Apex Transactions

• Describe key points in the Order of Execution
• Describe how triggers fit into and can be impacted by the Order of Execution
• Describe the lifecycle of an Apex Transaction
• Describe the memory lifecycle for static variables

Testing Essentials

• Describe Apex’s testing framework
• Create test data
• Write and run an Apex test

Testing Strategies

• Describe practices for writing code that is easy to maintain and extend
• Write triggers and classes that assume batches of data as input
• Write code that works efficiently with the database, both in querying and using DML

Strategies for Designing Efficient Apex Solutions

• Determine your code coverage percentages
• Create tests using best practices

Trigger Design Strategies

• List declarative mechanisms you can use to implement complex business logic, for what types of problems they are best used, and their limitations
• Describe ways in which you can use declarative functionality to improve your programmatic solutions

Creating Visualforce Pages

• Create a Visualforce page
• Reference a standard controller
• Launch a Visualforce page using a custom button
• Display data from a record in a Visualforce page

Exploring the View and Controller Layers of Visualforce

• Create a Visualforce page
• Display related data
• Invoke standard controller actions

Working with Custom Controllers and Controller Extensions

• Create controller extensions
• Create a custom controller
• Work with properties
• Use PageReferences
• Invoke custom methods in Visualforce pages

Working with List Controllers and SOSL Queries

• Use a standard list controller in a Visualforce page
• Create a SOSL query
• Create a custom list controller

Visualforce Development Considerations

• Determine whether a declarative solution exists for your requirements
• Describe common governor limit issues and security concerns
• Describe Visualforce strategies

Testing Visualforce Controllers

• Describe how a Visualforce controller interacts with the view
• Write tests for controller constructors
• Write tests for action methods, getters, setters, and properties