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Mastering Apex Programming

Mastering Apex Programming

By : Paul Battisson
4.9 (12)
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Mastering Apex Programming

Mastering Apex Programming

4.9 (12)
By: Paul Battisson

Overview of this book

As applications built on the Salesforce platform are now a key part of many organizations, developers are shifting focus to Apex, Salesforce’s proprietary programming language. As a Salesforce developer, it is important to understand the range of tools at your disposal, how and when to use them, and best practices for working with Apex. Mastering Apex Programming will help you explore the advanced features of Apex programming and guide you in delivering robust solutions that scale. This book starts by taking you through common Apex mistakes, debugging, exception handling, and testing. You'll then discover different asynchronous Apex programming options and develop custom Apex REST web services. The book shows you how to define and utilize Batch Apex, Queueable Apex, and Scheduled Apex using common scenarios before teaching you how to define, publish, and consume platform events and RESTful endpoints with Apex. Finally, you'll learn how to profile and improve the performance of your Apex application, including architecture trade-offs. With code examples used to facilitate discussion throughout, by the end of the book, you'll have developed the skills needed to build robust and scalable applications in Apex.
Table of Contents (21 chapters)
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1
Section 1 – Triggers, Testing, and Security
8
Section 2 – Asynchronous Apex and Apex REST
15
Section 3 – Apex Performance

SFDX and streaming logs

One of the biggest changes for Salesforce developers over the past few years has been the launch of the Salesforce Developer Experience, SFDX. SFDX is a set of tools that aims to streamline the entire development life cycle, and has vastly improved the lives of most Salesforce developers.

One of the most useful aspects of SFDX is the CLI that is the core of SFDX from a developer's perspective. By integrating SFDX with the CLI, Salesforce has enabled developers to obtain the power of the command line in their development, and most importantly for us, in debugging. For this section of the book, I am assuming you are using the VS Code editor and that SFDX CLI is installed on your machine. If you have not got these installed, I recommend heading over to the Trailhead modules that cover them (at the time of writing, Quick Start: Visual Studio Code for Salesforce Development should be enough to get the basics set up and running). We will use VS Code and its...

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