Cognizant Salesforce Developer Interview Questions, Process, and Tips

Batchable interface has three methods: start(), execute(), and finish().

• start() method is used to initialize the batch job and return the query locator.

• execute() method is used to process the records returned by the query locator.

• finish() method is used to perform any final operations after the batch job completes.

Access modifiers in Apex control the visibility and accessibility of classes, methods, variables, and interfaces.

• There are three access modifiers in Apex: private, public, and global.

• Private access modifier restricts access to only within the defining class.

• Public access modifier allows access from any other class or trigger.

• Global access modifier allows access from any Apex code in any Salesforce organization.

• Access m...read more

There are multiple ways to write asynchronous code in Salesforce.

• Using @future annotation

• Using Queueable interface

• Using Batch Apex

• Using Platform Events

• Using Asynchronous Apex REST Callouts

Order of Execution in Salesforce determines the sequence of events that occur when a record is saved.

• Validation rules are executed first

• Before triggers are executed next

• Custom validation rules are executed after before triggers

• After triggers are executed next

• Assignment rules are executed after after triggers

• Workflows are executed after assignment rules

• Escalation rules are executed after workflows

• Finally, the record is

Annotations are used in Salesforce to add metadata to classes, methods, and variables.

• Annotations are used to provide additional information to the compiler or runtime engine.

• They can be used to control the behavior of code, such as enforcing security or limiting access.

• Examples of annotations include @AuraEnabled, @TestSetup, and @Deprecated.

• Annotations can also be used to provide documentation for code, such as @desc...read more

Coding best practices ensure efficient, maintainable, and scalable code.

• Use meaningful variable and function names

• Follow a consistent coding style

• Write modular and reusable code

• Use version control

• Write unit tests

• Optimize code for performance

• Document code and add comments

Classic is the old Salesforce UI while Lightning is the new modern UI.

• Classic has a cluttered interface while Lightning has a cleaner and more intuitive interface.

• Lightning has more features and customization options than Classic.

• Lightning is optimized for mobile devices while Classic is not.

• Lightning has a more modern look and feel compared to Classic.

• Classic is being phased out by Salesforce in favor of Lightning.

• Exa...read more

Sales cloud is for managing sales while service cloud is for managing customer service.

• Sales cloud is focused on managing the sales process, from lead generation to closing deals.

• Service cloud is focused on managing customer service, from support cases to service level agreements.

• Sales cloud includes features like lead and opportunity management, while service cloud includes features like case management and knowledge ...read more