Things about Apex you should know | Chapter 17 | Salesforce Developer Masterclass

Welcome to another insightful episode of the Salesforce Developer Masterclass, titled "Things About Apex You Should Know." This video is a must-watch for both new and experienced developers who want to deepen their understanding of Apex, Salesforce’s powerful programming language.

Apex is a robust, strongly-typed, object-oriented language that allows developers to execute flow and transaction control statements on the Salesforce platform server in conjunction with calls to the API. In this episode, we’ll cover essential aspects of Apex that every developer should know to write efficient, secure, and maintainable code.

Key Features and Concepts:

Strongly-Typed Language: Understand the importance of Apex being a strongly-typed language, which means variables need to be declared with a specific data type.
Object-Oriented Programming (OOP): Apex supports OOP principles like classes, inheritance, polymorphism, and interfaces, making it easier to model real-world scenarios.
Governor Limits:

What Are Governor Limits?: Learn about the limits Salesforce imposes to ensure the efficient use of resources and the smooth operation of the platform.
Common Limits: We’ll discuss common governor limits, such as SOQL queries, DML statements, heap size, and CPU time.
Best Practices: Tips and techniques to optimize your code to stay within these limits and ensure performance and scalability.
Execution Context:

Triggers and Asynchronous Apex: Explore how Apex code can be executed synchronously (like in triggers) and asynchronously (like in future methods, batch Apex, and queueable Apex).
Order of Execution: Understand the sequence of operations when records are saved in Salesforce, which is crucial for writing efficient and predictable triggers.
Security and Sharing:

Enforcing Security: Learn how to enforce user permissions and sharing rules within your Apex code to ensure data security and compliance.
With Sharing and Without Sharing: Understand the implications of these keywords in controlling the sharing rules applied to your Apex classes.
Testing and Debugging:

Unit Testing: Discover the importance of writing test classes and methods, and learn how to achieve high code coverage.
Debugging Techniques: Utilize debugging tools like the Developer Console, System.debug statements, and debug logs to troubleshoot and optimize your Apex code.
Best Practices:

Code Reusability: Techniques for writing reusable and modular code.
Bulkification: Ensuring your code can handle large volumes of data efficiently.
Exception Handling: Properly handling exceptions to avoid unhandled errors and ensure smooth user experience.
By the end of this video, you’ll have a comprehensive understanding of the essential aspects of Apex, empowering you to write high-quality, efficient, and secure code within the Salesforce platform. Whether you're just starting out or looking to refine your skills, this episode is packed with valuable insights and practical advice.

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