Salesforce Apex Training

❮ Previous Next ❯ Apex SOQL (Salesforce Object Query Language) Introduction SOQL (Salesforce Object Query Language) is like SQL, but tailored for Salesforce data. It is used to retrieve records from Salesforce objects, such as Account, Contact, Lead, or even custom objects like Student__c.  SOQL is used inside Apex code, anonymous windows, and developer console […]

❮ Previous Next ❯ Apex Interfaces & Abstract Classes In Apex, interfaces and abstract classes are powerful tools used to define rules and shared structures for other classes to follow. They are widely used in real-time business logic, where multiple classes need to implement common behavior, but in their own specific way.  Both interfaces and

❮ Previous Next ❯ Apex Inheritance Inheritance is one of the most important features of object-oriented programming in Apex. It allows you to create a new class (child class) based on an existing class (parent class), so that the child class can reuse the code (variables and methods) of the parent class without rewriting it. 

❮ Previous Next ❯ Apex Constructors A constructor in Apex is a special method that runs automatically when an object of a class is created. It’s used to initialize the values of class variables when the object is made.  A constructor:  • Has the same name as the class.• Does not return any value, not

❮ Previous Next ❯ Apex Classes & Objects In Apex (like other object-oriented languages), a class is a blueprint for creating objects. It defines the properties (called variables or fields) and behaviors (called methods or functions) of real-world entities.  An object is a specific instance of a class that holds real values for the properties

❮ Previous Next ❯ Apex Collections In Apex, collections are used to store multiple values in a single variable. They are similar to arrays but more powerful and flexible. There are three main types of collections in Apex:  • List – Ordered collection (allows duplicates)• Set – Unordered collection (no duplicates) • Map – Key-value