50+ Top Interview Questions and Answers (2024)

Ques 1

What is governor limits in Salesforce?

Governor limits in Salesforce are runtime limits enforced by the platform to ensure efficient resource utilization. These limits include daily limits, transaction limits, and concurrent execution limits.

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Ques 2

What is a Salesforce trigger context variable?

Trigger context variables, such as Trigger.new and Trigger.old, provide information about the records being processed by a trigger. They allow developers to access and manipulate data within the trigger.

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Ques 3

Explain the concept of batch processing in Salesforce.

Batch processing in Salesforce involves processing large sets of data asynchronously. It allows developers to break down complex operations into smaller chunks to avoid hitting governor limits.

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Ques 4

Explain the use of the @future(callout=true) annotation in Apex.

The @future(callout=true) annotation in Apex is used to make asynchronous callouts to external web services. It allows the Apex method to make a callout and return without waiting for the response.

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Ques 5

How can you prevent governor limit issues in Salesforce?

To prevent governor limit issues in Salesforce, developers should write efficient code, use bulk processing techniques, and implement proper error handling. Additionally, consider using asynchronous processing for long-running operations.

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Ques 6

What is the purpose of the 'Database.Stateful' interface in Apex?

The 'Database.Stateful' interface in Apex is used to maintain the state of variables between different invocations of a batch Apex job. It allows variables to retain their values throughout the execution of the batch.

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Ques 7

What is the purpose of the 'LimitException' in Salesforce?

The 'LimitException' in Salesforce is thrown when an Apex code exceeds governor limits. It allows developers to catch and handle exceptions related to governor limits during execution.

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Ques 8

What is the purpose of the 'QueueableContext' interface in Apex?

The 'QueueableContext' interface in Apex is used to provide additional context information to a class that implements the 'Queueable' interface. It allows developers to access and manipulate data within the queueable job.

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Experienced / Expert level questions & answers

What is governor limits in Salesforce?

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What is a Salesforce trigger context variable?

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Explain the concept of batch processing in Salesforce.

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Explain the use of the @future(callout=true) annotation in Apex.

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How can you prevent governor limit issues in Salesforce?

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What is the purpose of the 'Database.Stateful' interface in Apex?

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What is the purpose of the 'LimitException' in Salesforce?

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What is the purpose of the 'QueueableContext' interface in Apex?

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