Apex Interview Questions For Freshers

What is Apex?

Summary:

Detailed Answer:

What is the difference between Apex class and Apex trigger?

Summary:

Detailed Answer:

Explain the syntax for Apex variable declaration?

Summary:

Detailed Answer:

What is the difference between Apex and Visualforce?

Summary:

Detailed Answer:

What are the data types supported by Apex?

Summary:

Detailed Answer:

What is the main use of Apex in Salesforce?

Summary:

Detailed Answer:

Apex Intermediate Interview Questions

What is a future method in Apex? How is it different from a regular method?

Summary:

Detailed Answer:

What is an Apex test class? Why is it required?

Summary:

Detailed Answer:

Explain the use of the 'with sharing' keyword in an Apex class?

Summary:

Detailed Answer:

What are the different types of collections available in Apex?

Summary:

Detailed Answer:

What is a static method in Apex? How is it different from an instance method?

Summary:

Detailed Answer:

What is an Apex batch class? How is it different from a regular Apex class?

Summary:

Detailed Answer:

Explain the difference between trigger.old and trigger.new in Apex triggers?

Summary:

Detailed Answer:

What is the purpose of SOQL in Apex?

Summary:

Detailed Answer:

What is a governor limit in Apex?

Summary:

Detailed Answer:

Apex Interview Questions For Experienced

What is the purpose of a try-catch block in Apex?

Summary:

Detailed Answer:

What is a future method in Apex? How is it different from a regular method?

Summary:

Detailed Answer:

What is transaction control in Apex? Explain the available options.

Summary:

Detailed Answer:

Explain the concept of governor limits and its impact on Apex code execution.

Summary:

Detailed Answer:

What is the difference between a trigger and a workflow rule in Apex?

Summary:

Detailed Answer:

What is the 'System' class in Apex? How is it used?

Summary:

Detailed Answer:

Explain the difference between a SOQL and SOSL query in Apex.

Summary:

Detailed Answer:

What is the purpose of the '@future' annotation in Apex?

Summary:

Detailed Answer:

What are the best practices for writing efficient Apex code?

Summary:

Detailed Answer:

Explain the concept of Apex sharing rules and how they are implemented.

Summary:

Detailed Answer:

What is a SOSL in Apex? Explain its significance.

Summary:

Detailed Answer:

What is the difference between a before trigger and after trigger in Apex?

Summary:

Detailed Answer:

What is the purpose of a try-catch block in Apex?

Summary:

Detailed Answer: