What is apex in Salesforce?
Apex helps the developers to implement business logic with most of the system events, together with tab clicks, related record updates, as well as the Visualforce pages. Q2). What is Apex Scheduler?
What is the use of apex message?
apex:Message is used to display an error on only a specific field. It is used to allow developers to place field specific errors in specific location. 14. How can we hard delete a record using a Apex class/by code?
What is before and after trigger in Salesforce apex?
A “before” operation is usually used to verify information that is going to be inserted, and an “after” trigger is used to access data that has previously been entered by a user or system. 10. When should Apex be used over Workflow rules or Process Builder?
What is developer console in Salesforce apex?
A) The Developer Console is an integrated development environment with a set of tools for creating, debugging, and testing applications in your Salesforce organization. 16) What is sObject in Apex? A) This is a special data type in Salesforce. It is similar to a table in SQL and contains fields similar to those in SQL.
What is meant by Apex in Salesforce interview questions?
What is APEX, and what is it used for? Answer: APEX is an object-oriented programming language and is a proprietary language that is strongly typed and was developed by Salesforce. It will be used to develop the products in Salesforce to perform transaction control statements and flow execution operations.
What is Apex for Salesforce?
Apex enables developers to access the Salesforce platform back-end database and client-server interfaces to create third-party SaaS applications. Apex includes an application programming interface (API) that Salesforce developers can use to access user data on the platform.
When should apex be used in Salesforce?
When Should We use Apex? Apex allows its developers to create complex CRM applications that provide access to the Salesforce database and client-server interfaces to create a third-party SaaS application. It also allows customizing pre-built applications according to complex business requirements.
How do you practice Apex code?
Apex Best PracticesBulkify your Code.Avoid SOQL Queries or DML statements inside FOR Loops.Bulkify your Helper Methods.Using Collections, Streamlining Queries, and Efficient For Loops.Streamlining Multiple Triggers on the Same Object.Querying Large Data Sets.More items…
What API is used in Apex?
Required Editions and User PermissionsAPI NameProtocolCommunicationConnect REST APIRESTSynchronous (photos are processed asynchronously)Apex REST APIRESTSynchronousApex SOAP APISOAP (WSDL)SynchronousAnalytics REST APIRESTSynchronous7 more rows
What is Apex method?
In Apex, all primitive data type arguments, such as Integer or String, are passed into methods by value. This fact 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 language is Salesforce Apex?
Apex: Salesforce’s proprietary programming language with Java-like syntax. Visualforce: A markup language that lets you create custom Salesforce pages with code that looks a lot like HTML, and optionally can use a powerful combination of Apex and JavaScript.
What is an Apex call?
An Apex callout enables you to tightly integrate your Apex with an external service by making a call to an external Web service or sending a HTTP request from Apex code and then receiving the response. Apex provides integration with Web services that utilize SOAP and WSDL, or HTTP services (RESTful services).
What language is Apex based on?
Java idiomsApex is based on familiar Java idioms, such as variable and expression syntax, block and conditional statement syntax, loop syntax, object, and array notation.
How do I learn apex in Salesforce?
Several Trailhead modules provide tutorials on learning Apex. Use these modules to learn the fundamentals of Apex and how you can use it on the Lightning Platform. Use Apex to add custom business logic through triggers, unit tests, asynchronous Apex, REST Web services, and Visualforce controllers.
How do I write an Apex class?
Step 1 − Click on Name ⇒ Setup. Step 2 − Search for ‘Apex Class’ and click on the link. It will open the Apex Class details page. Step 3 − Click on ‘New’ and then provide the Name for class and then click Save.
Is learning Apex easy?
Learning Apex will not be easy but you can do it. Persevere! It is a journey that will make you smarter and more desirable on the job market. The use of the above 4 resources combined with the 2 tools and 3 attitudes will bring triumph to your clutch.
What is Apex test?
A) Apex provides built-in support for unit test creation and execution, including test results indicating how much code is covered, and which parts of the code can be more efficient.
What is Apex platform?
Apex is tailored to data access and data manipulation on the platform, allowing you to add custom business logic to system events. While it provides many benefits for business process automation on the platform, it is not a general-purpose programming language.
What is Apex programming language?
According to official definitions, Apex is a strongly typed, object-oriented programming language that allows developers to execute traffic and transaction control statements on the Force.com platform server while calling the Force.com API.
What is an enumeration in Salesforce?
A) An enumeration is an abstract data type that stores a value of a finite set of specified identifiers. You can define an enumeration using the keyword Enum. Enumerations can be used as any other data type in Salesforce.
Where is Apex code saved?
The version of the Apex code change can be saved in the Force.com API. According to this, to maintain normal operation. Apex includes Performance Edition, Unlimited Edition, Developer Edition, Enterprise Edition and Database.com.
When to use Batch Apex?
A) When you want to process a large number of records every day, or at specific intervals, you can go to Batch Apex. Also, when you want an operation to be asynchronous, you can implement batch processing. Batch Apex is exposed as an interface that must be implemented by the developer.
Is Apex a rented platform?
Like other Force.com platforms, Apex is implemented in a rent ed environment . To accommodate this environment, Apex’s real-time engine is designed to avoid code that interferes with each other, and the shared code is not occupied by a single tenant. When the code that violates the rule fails to execute, an error message that is easy to understand is displayed.
What is Apex in Salesforce?
As per the official definition, Apex is a strongly typed, object-oriented programming language that allows developers to execute the flow and transaction control statements on the Force.com platform server in conjunction with calls to the Force.com API.
What is Apex Scheduler?
Apex scheduler is used to invoke Apex classes to run at specific times, first implement the Schedulable interface for the class, then specify the schedule using either the Schedule Apex page in the Salesforce user interface, or the System.schedule method.
What is batch apex?
Batch Apex is exposed as an interface that must be implemented by the developer. Batch jobs can be programmatically invoked at runtime using Apex. Batch Apex operates over small batches of records, covering your entire record set and breaking the processing down to manageable chunks of data.
What is Salesforce automation?
Salesforce provides many ways to automate the business process to fulfil our requirements. It has many standard automation tools such as workflows, process Builders, approval process etc. Organizations may have very complex business functionality which cannot be fulfilled by the standard automation tools. To achieve complex functionalities, …
What is a wrapper class in Salesforce?
A wrapper or container class is a class, data structure, or an abstract data type whose instances are a collections of other objects.It is a custom object defined by Salesforce developer where he defines the properties of the wrapper class.
What is an Apex trigger?
Apex Triggers can either run before a record has been saved of after. A “before” operation is usually used to verify information that is going to be inserted, and an “after” trigger is used to access data that has previously been entered by a user or system.
What is profile and role in Salesforce?
Profiles & Roles are both features that can be added to a user record in Salesforce. Roles are optionally added while Profiles are a basic requirement of setting up a user.
What is SOQL in Salesforce?
SOQL stands for Salesforce Object Query Language. It is very similar to the widely used language SQL (Structured Query Language), to query databases. SOQL is specifically designed for Salesforce data and is used to query the Salesforce platform to retrieve data.
What is Salesforce’s multitenant environment?
Salesforce runs on a multitenant environment which means resources (Storage, CPU, Memory) are shared with other companies on the Salesforce platform. This means limits must be in place to ensure that all companies using the Salesforce architecture abide by certain rules and don’t let their code or processes monopolize shared resources. A few examples of Governor Limits are:
What is Visualforce in Salesforce?
Visualforce is the component-based user interface framework for Salesforce. The framework includes a tag-based markup language, similar to HTML. Each Visualforce tag corresponds to a coarse or fine-grained user interface component, such as a section of a page, or a field.
How many releases does Salesforce have?
Salesforce has three releases a year that are named after the seasons, these include Spring, Summer & Winter. These releases contain a huge amount of new functionality across all Salesforce products, including changes to development languages.
What is a lookup relationship in Salesforce?
There are three main relationship types in Salesforce…. A lookup relationship can be used to link two objects together. It is the most basic type of relationship that creates a child-parent relationship between two objects. A master-detail relationship can also be used to link two objects together. A master-detail relationship creates …
