Cloud Q Interview Questions and Answers

Q1. Was Apex a loosely typed programming language or a strongly typed programming language?
Ans. 
Apex is a strongly typed programming language.
• Apex is a strongly typed language, meaning variables must be declared with a specific data type.

• Data types in Apex include primitives like Integer, String, Boolean, as well as custom objects and collections.

• Strong typing helps catch errors at compile time rather than runtime, improving code reliability and performance.
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Q2. What are the Life Cycle Hooks of Lightning Web Components (LWC)?
Ans. 
Life Cycle Hooks of Lightning Web Components (LWC) are methods that allow developers to interact with the component at specific stages of its life cycle.
• constructor() - Initializes the component.

• connectedCallback() - Called when the component is inserted into the DOM.

• disconnectedCallback() - Called when the component is removed from the DOM.

• renderedCallback() - Called after the component's elements are rendered.

• errorCa...read more
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Q3. What is the Singleton Pattern in Apex, and how is it implemented?
Ans. 
Singleton Pattern ensures a class has only one instance and provides a global point of access to it.
• Singleton Pattern is implemented by creating a private constructor, a static variable to hold the instance, and a static method to return the instance.

• The static method checks if the instance is null, creates a new instance if it is, and returns the existing instance if not.

• Example: public class SingletonExample { privat...read more
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Q4. What are the various types of custom objects in Salesforce, including their extensions such as how custom objects typically end with __c and custom metadata ends with __mdt?
Ans. 
Various types of custom objects in Salesforce and their extensions
• Standard custom objects (ending with __c)

• Custom metadata types (ending with __mdt)

• Custom settings (ending with __c)

• External objects (ending with __x)

• Big objects (ending with __b)
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Q5. What are the different types of Trigger Frameworks, and can you explain their common usage?
Ans. 
There are various types of Trigger Frameworks like Handler Pattern, Service Layer Pattern, and Trigger Handler Class Pattern.
• Handler Pattern: Separate logic into handler classes for each trigger event.

• Service Layer Pattern: Use a service layer to handle trigger logic.

• Trigger Handler Class Pattern: Use a single trigger handler class to manage all trigger logic.

• Common usage includes organizing trigger logic, reducing cod...read more
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Q6. What are Apex Cursors in Salesforce?
Ans. 
Apex Cursors in Salesforce are used to process records returned by SOQL queries in batches.
• Apex Cursors are used to efficiently process large sets of data in Salesforce.

• They are used with SOQL queries to retrieve and process records in batches.

• Cursors help in avoiding governor limits and improving performance.

• Examples include using 'FOR' loops with SOQL queries to process records in chunks.
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Q7. How is chaining implemented in batch classes?
Ans. 
Chaining in batch classes allows for processing of large data sets by breaking them into smaller batches.
• Chaining is implemented by using the finish method in a batch class to start another batch job.

• The finish method checks if there are more records to process and if so, it creates a new instance of the batch class.

• This process continues until all records have been processed.

• Chaining helps in handling large data volum...read more
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Q8. Which DML method do you prefer for updating the list of records in a Batch Class, and why do you prefer that method over others?
Ans. 
I prefer using the Database.update method in a Batch Class for updating a list of records.
• Database.update is bulkified and can handle large volumes of records efficiently

• It allows for partial success handling, where some records can be updated even if others fail

• It automatically triggers any necessary validation rules and workflows

• It is recommended for use in Batch Classes to ensure optimal performance
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Simple DSA questions

Q1. Java related questions asked
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Q2. System design
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Q1. Ghosted by recuriter
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Q1. Tell about something about yourself
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Q2. What is Salesforce?
Ans. 
Salesforce is a cloud-based customer relationship management (CRM) platform that helps businesses manage their sales, customer service, marketing, and more.
• Cloud-based CRM platform

• Helps businesses manage sales, customer service, marketing, etc.

• Offers various tools and features for customization and automation

• Provides a centralized platform for managing customer interactions and data
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Q3. What are declarative tools?
Ans. 
Declarative tools are point-and-click tools provided by Salesforce to customize and automate processes without writing code.
• Declarative tools include Process Builder, Flow Builder, Workflow Rules, and Validation Rules.

• They allow users to create automation, validation, and customization without the need for coding.

• Declarative tools are user-friendly and can be used by non-developers to configure Salesforce to meet speci
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Q4. What is approval process
Ans. 
An approval process is a way to automate how records are approved in Salesforce.
• Allows defining the steps necessary for a record to be approved

• Can include criteria for approval, rejection, and reassignment

• Can be triggered based on certain conditions or manually by users

• Can involve multiple approvers with different levels of authority

• Can be used for various processes like document approvals, expense reports, etc.
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Q1. What is growth strategy
Ans. 
Growth strategy is a plan of action designed to achieve long-term business goals through expansion and development.
• Identifying new markets and customer segments

• Developing new products or services

• Acquiring or merging with other companies

• Increasing marketing and advertising efforts

• Improving operational efficiency

• Investing in research and development

• Expanding geographically

• Diversifying product or service offerings
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Q2. How is market trend for digital transformation
Ans. 
The market trend for digital transformation is rapidly growing.
• Digital transformation is becoming a necessity for businesses to stay competitive.

• Cloud computing, artificial intelligence, and big data analytics are driving the trend.

• Companies are investing heavily in digital transformation initiatives.

• The COVID-19 pandemic has accelerated the adoption of digital technologies.

• The market for digital transformation is expe
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