What is Apex Code in Salesforce com? – Apex Examples

Apex is an object-oriented programming language that allows developers to execute flow and transaction control statements on the SalesForce.com platform server in conjunction with calls to the SalesForce.com API proprietary language. Apex is an improvement stage for building programming as a help (SaaS) application on top of Salesforce.com’s client relationship with the executive’s (CRM) usefulness. Summit allows designers to access Salesforce.com’s back-end information base and customer worker interfaces to make outsider SaaS applications.

Peak incorporates an application program interface (API) designers can use to get client information on Salesforce.com. This API permits designers to utilize basic SaaS parts, such as Web gadgets or a multi-occupant database, without the need to grow a large part of the foundation generally related to SaaS programs. 

Summit applications are typically facilitated and run straightforwardly by Salesforce.com’s workers. No establishment on a client’s nearby PC is fundamental because of this facilitating. A client buys a given Apex program through AppExchange, Saleforce.com’s Web gateway, for additional CRM items. The client is then ready to access the program through the standard interface. When made, an application can be distributed for public use or kept hidden, such as an exclusive extra. 

The Apex stage comprises three apparatuses: Builder, API, and Code. 

• Apex Builder is an on-request segment that permits simple, simplified customization with a restricted arrangement of highlights. Summit Builder applications are generally simple to make yet should draw on a limited, pre-characterized set of interface components and business rationale calculations. 

• Apex API is a strategy for recovering crude information from Salesforce.com’s workers. Similar to Java applications, programs outside of Salesforce.com utilize the API to access data on a customer’s Salesforce.com account. 

• Apex Code is an ultimately included programming language executed on Salesforce.com’s servers. Summit Code has implicit techniques for getting to client information. The speech was made accessible to engineers in Salesforce.com’s Winter ’07 release. Zenith Code offers both adaptabilities in creating the Apex API while decreasing calls among workers and customers. While Apex API programs must speak with the Salesforce.com worker each time they access or record information. Apex Code applications handle these exchanges locally, requiring customer-worker correspondence when taking client input and showing the final product. 

In April 2007, Saleforce.com declared the Salesforce.com Platform Edition. This rendition lets clients access Apex applications without buying into the organization’s center CRM item. 

Apex is a specifically object-oriented programming language that permits engineers to execute stream and exchange control articulations on Salesforce workers’ calls to the API. Utilizing a linguistic structure that appears like Java and acts as an information-base putaway method, Apex empowers engineers to add business rationale to most framework occasions, including button clicks, related record updates, and Visualforce pages. Peak code can be started by Web administration demands and from triggers on objects. 

Zenith gives work in help to everyday Lightning Platform expressions, including: 

• Data control language (DML) calls, for example, INSERT, UPDATE, and DELETE, that incorporate implicit DmlException dealing with 

• Inline Salesforce Object Query Language (SOQL) and Salesforce Object Search Language (SOSL) questions that return arrangements of subject records 

• Looping that considers mass preparing of different records all at once 

• Locking punctuation that forestalls record update clashes 

• Custom public API calls that can be worked by putting away Apex techniques 

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• Warnings and blunders given when a client attempts to alter or erase a custom item or field that is referred to by Apex 

APEX is Simple to utilize 

Summit depends on natural Java sayings, such as factor and articulation language structure, block, contingent proclamation punctuation, circle grammar, item, and exhibit documentation. Apex presents new components; it utilizes straightforward language structure and semantics that empower the Lightning Platform’s productive utilization. Accordingly, Apex produces code that is both concise and simple to compose. 

Information centered 

The peak is intended to combine numerous inquiries and DML explanations into a solitary work unit for Salesforce workers. Designers use database-based techniques to combine various exchange proclamations on a database worker. Like other database-based techniques, Apex doesn’t endeavor to offer general help for delivering components in the UI.


Apex programming examples:

What is Apex programming in Salesforce?
Apex programming represents an object-oriented programming language that allows developers to execute transaction control statements on Salesforce servers in conjunction with the API calls.

What is the Apex trigger in Salesforce?
Apex triggers enable users to perform custom actions before or after events to records in SaSalesforceTriggers. They can be insertions, updates, or deletions and are active by default when created. TrSalesforce is defined for top-level standard objects, such as Account or Contact, custom objects, and some standard child objects. Triggers

How do I call the apex class from JavaScript in Salesforce?
Call the Apex class from Javascript in Salesforce. Go to Setup, Object, and Buttons, and find the links in the Salesforce section. When you reach ActionSalesforce, please click on the New Button or Link.

How do you get selected picklist values in Apex Salesforce?
To check picklist values in apex salesforce in Visualforce, you must create the following method Apex:
Public with sharing DynamicPickListFectcher {

    public static List getPicklistOptions(String objectApiName, String fieldApiName) {
        List picklistOptions = new List();
        try {
            Schema.SObjectType obj_describe = Schema.getGlobalDescribe().get(objectApiName) ;
            Schema.DescribeSObjectResult obj_describe_result = obj_describe.getDescribe() ;
            Map<String,Schema.SObjectField> fields = obj_describe_result.fields.getMap() ;
            Schema.DescribeFieldResult fieldResult = fields.get(fieldApiName).getDescribe();
            List ple = fieldResult.getPicklistValues();
            SelectOptionObj option = null;
            for (Schema.PicklistEntry pickListVal : ple) {
                option = new SelectOptionObj(pickListVal.getLabel(), pickListVal.getValue(), pickListVal.isDefaultValue());
        } catch (Exception ex) {
            throw new AuraHandledException(ex.getMessage());
        return picklistOptions;
    public class SelectOptionObj {
        public String label { get; set; }
        public String value { get; set; }
        public Boolean isDefault {get; set;}
        public SelectOptionObj(String label, String val,Boolean isDefault) {
            this.label = label;
            this.value = val;
            this.isDefault = isDefault;

How do you schedule an Apex class in Salesforce?
To schedule an Apex class in Salesforce, go to Setup, enter Apex Classes in the Quick Find box, select Salesforcelasses, and then click ScheduleSalesforcTheIn. The next step is to enter the class you want to schedule. Specify how often the Apex class is to run. For Weekly—specify one or more days of the week the job is to run (such as Tuesday).


Batch Apex in Salesforce

Users must write an Apex class that implements the Salesforce-provided interface Database to use batch Apex in Salesforce.


Insert attachment in apex Salesforce.

To insert an attachment in Apex Salesforce, you need to write this code:

public void saveAttachment(){
  String encodedContentsString = System.currentPageReference().getParameters().get('fileContents');
  Id accountId = System.currentPageReference().getParameters().get('accountId');
  Attachment attachment = new Attachment();
  attachment.Body = Blob.valueOf(encodedContentsString);
  attachment.Name = String.valueOf('test.txt');
  attachment.ParentId = accountId; 
  insert attachment;

Create an email template using Apex Salesforce

To send an email using a salesforce apex salesforce, please do the following:
Go to Setup-> search ‘template’ -> choose ‘Classic Email Templates’ -> click on the ‘New Template’ button.
Select the Visualforce option for ‘type of email template.’
Enter the template name, and keep the other defaults. …
Enter Email Subject text.

Apex sharing in Salesforce

Users with “Modify All Data” permission can add or change Apex-managed sharing on a record. Apex shaSalesforcees developers to programmatically manipulate sharing to support their behavior through Apex or the SOAP API. This type of sharing is similar to managed sharing.

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