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Top 23 Dart Interview Questions and Answers

03/Feb/2020 | 10 minutes to read


Here is a List of essential Dart Interview Questions and Answers for Freshers and mid level of Experienced Professionals. All answers for these Dart questions are explained in a simple and easiest way. These basic, advanced and latest Dart questions will help you to clear your next Job interview.

Dart Interview Questions and Answers

These questions are targeted for Dart Object-oriented Programming language. You must know the answers of these frequently asked Dart questions to clear an interview.

1. What is Dart?

Dart is an object-oriented programming language to develop apps for mobile, web, desktop and server applications. Dart has syntax similar to C and it's a class based, garbage collected programming language. Code written into Dart can be compiled to native machines codes or JavaScript code by Dart native compilers. Dart is developed and maintained by Google.

2. What is the role of this keyword in Dart?

3. Explain extension methods in Dart? What is the use of it?

4. How to pass the parameters in Dart?

5. What are the different null operators in Dart?

6. How will you access method or property conditionally in Dart?

7. What is Spread operator in dart?

8. Explain Factory constructor in Dart. How to create a factory?

9. How to check for types in Dart? What is sound typing in Dart?

10. What is the Asynchronous programming in Dart?

11. What is a future in Dart?

12. Explain async/await in Dart.

13. Explain getter and setter.

14. What are the methods to Parse JSON in Dart?

15. How stream does work in Dart?

16. What is Dart VM?

17. What is dart2js?

18. What resources are available to learn Dart?

For Dart tutorials visit Dart Tutorials

Some General Interview Questions for Dart

1. How much will you rate yourself in Dart?

When you attend an interview, Interviewer may ask you to rate yourself in a specific Technology like Dart, So It's depend on your knowledge and work experience in Dart.

2. What challenges did you face while working on Dart?

This question may be specific to your technology and completely depends on your past work experience. So you need to just explain the challenges you faced related to Dart in your Project.

3. What was your role in the last Project related to Dart?

It's based on your role and responsibilities assigned to you and what functionality you implemented using Dart in your project. This question is generally asked in every interview.

4. How much experience do you have in Dart?

Here you can tell about your overall work experience on Dart.

5. Have you done any Dart Certification or Training?

It depends on the candidate whether you have done any Dart training or certification. Certifications or training are not essential but good to have.


We have covered some frequently asked Dart Interview Questions and Answers to help you for your Interview. All these Essential Dart Interview Questions are targeted for mid level of experienced Professionals and freshers.
While attending any Dart Interview if you face any difficulty to answer any question please write to us at Our IT Expert team will find the best answer and will update on the portal. In case we find any new Dart questions, we will update the same here.