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What is the purpose of using a code Apex?
Using syntax that looks like Java and acts like database stored procedures, Apex enables developers to add business logic to most system events, including button clicks, related record updates, and Visualforce pages. Apex code can be initiated by Web service requests and from triggers on objects.
What is Salesforce Apex used for?
Apex is a strongly typed, object-oriented programming language that allows developers to execute flow and transaction control statements on the Lightning platform server in conjunction with calls to the Lightning Platform API.
What is the use of map and explain me a case why you go for a map Salesforce?
A map is a collection of key-value pairs where each unique key maps to a single value. Keys and values can be any data type—primitive types, collections, sObjects, user-defined types, and built-in Apex types. Map keys and values can contain any collection, and can contain nested collections.
What is declarative and programmatic in Salesforce?
– Declarative customizations can be made point and click in a browser. – Programmatic customizations are made with code. Declarative customizations require an understanding of Force.com concepts, but no coding knowledge.
What is apex code similar to?
Syntactically, yes, Apex is similar to Java. If you can program in Java, you are really close to being an Apex developer! It is compiled like Java, it has a Java Virtual Machine in the background – somewhere – but it’s not a full-fledged VM, only the part of it.
Where is Apex used?
Use Apex if you want to:
- Create Web services.
- Create email services.
- Perform complex validation over multiple objects.
- Create complex business processes that are not supported by workflow.
- Create custom transactional logic (logic that occurs over the entire transaction, not just with a single record or object).
Why map is used in Salesforce?
Map is a collection of class, which consists a group of elements. It’s like a acollection of Key-value pair, where each key(unique) map to a single value. Keys and values can be any data types.
What’s the difference between imperative and declarative programming?
Declarative programming is a programming paradigm … that expresses the logic of a computation without describing its control flow. Imperative programming is a programming paradigm that uses statements that change a program’s state.
What is declarative tool?
Declarative programming uses A programmer writes statements in a DSL called Structured Query Language (SQL) to control the database. The user defines what they need the tool to do via the DSL, and the tool accomplishes the task without requiring information about how to do it.
What is the purpose of the apex programming language?
Salesforce Apex language is a multi-purpose programming language and exists in multi-tenant Environment. Every Resource that executed using Apex Programming language are effectively controlled for high quality of service to all Salesforce developers.
What do you need to know about Salesforce apex?
Salesforce Apex is designed to process large amounts of data to add business logic to applications and to write Controller in the MVC architecture. Declarative programming and Programmatic development are the two Application development types in Salesforce.
What’s the difference between declarative and programmatic customization?
Declarative customizations require an understanding of Force.com concepts, but no coding knowledge. Programmatic customizations require coding skills and allow developers to extend beyond the declarative Salesforce.com capabilities. Advantages of declarative customizations: Ease of development. – More visual.
What are the benefits of declarative programming in business?
Declarative programming provides a much quicker turnaround. Timing is everything in business; 76% of IT leaders say that speed of application or project delivery is a critically or very important KPI, and 67% of IT leaders say that improving the speed of development cycles is a critical or high priority.