What do you need to know about apex?

What do you need to know about apex?

Apex provides two data structures and a method for sObject and field describe information: Token —a lightweight, serializable reference to an sObject or a field that is validated at compile time. This is used for token describes. The describeSObjects method—a method in the Schema class that performs describes on one or more sObject types.

How to dynamically set field values in apex?

You can leverage the describe to dynamically retrieve the sobjects and fields. You can then dynamically create an sobject and set or get the necessary fields. i’m aware of the abstract capabilities; what i’m trying to figure out is the specific syntax for doing so over a list of incoming sObjects.

How are sobject and field describe information used in apex?

Apex provides two data structures and a method for sObject and field describe information: Token—a lightweight, serializable reference to an sObject or a field that is validated at compile time. This is used for token describes.

When to use a token version in apex?

For example, use the token version of an sObject or field when you are determining the type of an sObject or field that your code needs to use. The token can be compared using the equality operator ( ==) to determine whether an sObject is the Account object, for example, or whether a field is the Name field or a custom calculated field.

It is a strongly typed, object-oriented programming language that allows developers to execute flow and transaction control statements on the Force.com platform server in conjunction with calls to the Force.com API. This tutorial is targeted for Salesforce programmers beginning to learn Apex.

How are parameters passed in and out of apex?

Answer: Passing Parameters By Reference and By Value in Apex. … “In Apex, all primitive data type arguments, such as Integer or String, are passed into methods by value. This means that any changes to the arguments exist only within the scope of the method. When the method returns, the changes to the arguments are lost.

What does it mean when a variable is private in apex?

Answer: If you do not specify an access modifier, the method or variable is private. This means that the method or variable is visible to any inner classes in the defining Apex class, and to the classes that extend the defining Apex class. 2. What are the reference variables in apex?

Who is the developer of the apex language?

Apex is a proprietary language developed by Salesforce.com. It is a strongly typed, object-oriented programming language that allows developers to execute flow and transaction control statements on the Force.com platform server in conjunction with calls to the Force.com API.

What do you need to know about the apex programming language?

The Salesforce Apex programming language provides 12 primitive types but you can also create custom types by writing your own classes. In order to have your code make decisions and behave differently based on the value of a variable (or user input), you need to use a conditional statement.

What’s the best way to play Apex Legends?

Stay Close to Your Squad. Squadplay is critical to success in Apex Legends, where you jump into the arena with two teammates at your side. Working together, you can keep each other safe and outplay your opponents by combining your abilities.

How to write code in apex in Salesforce?

There are several ways to execute Apex coding and programming on the Salesforce platform. The simplest one is using the Developer Console to execute code in an anonymous block. Let’s start by opening the console. Make sure your profile has the “Author Apex” permission enabled. Click on the gear icon, then select Developer Console.