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Dart (Coding): Debugging Test

The Dart (Coding): Debugging Test assesses a candidate's ability to identify and fix bugs in Dart code. It uses scenario-based MCQ questions to evaluate knowledge on error handling debugging techniques syntax and semantics and best practices. The test also includes hands-on coding questions to evaluate practical debugging skills.

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Screen candidates with a 30 mins test

Test duration:  ~ 30 mins
Difficulty level:  Moderate
Availability:  Available as custom test
Questions:
  • 5 Dart MCQs
  • 1 Dart Coding Question
Covered skills:
Syntax and Semantics
Error Handling
Debugging Techniques
Control Flow
Data Structures
Object-Oriented Programming
Libraries and Packages
Asynchronous Programming
Memory Management
Testing and Profiling
Code Optimization
Best Practices
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Adaface skill assessments measure on-the-job skills of candidates, providing employers with an accurate tool for screening potential hires.

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Use the Dart (Coding): Debugging Assessment Test to shortlist qualified candidates

The Dart (Coding): Debugging Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

  • Demonstrate proficiency in identifying and resolving syntax errors in Dart code
  • Exhibit skill in debugging logical errors and runtime exceptions in Dart programs
  • Show competence in using Dart's error handling mechanisms and implementing robust exception handling
  • Display understanding of Dart's control flow structures and ability to debug related issues
  • Showcase expertise in working with Dart's data structures and resolving associated problems
  • Demonstrate capability in debugging object-oriented programming concepts in Dart
  • Exhibit proficiency in identifying and fixing issues related to Dart libraries and packages
  • Show aptitude in debugging asynchronous code and handling concurrency issues in Dart
  • Display competence in optimizing Dart code for better performance and resource management
  • Demonstrate skill in applying Dart best practices and writing clean, maintainable code
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Screen candidates with the highest quality questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

These are just a small sample from our library of 15,000+ questions. The actual questions on this Dart (Coding): Debugging Test will be non-googleable.

🧐 Question

Medium

Async Await
Asynchronous Programming
Solve
Review the following Dart code:
 image
The code reads data from a file synchronously. The code blocks while waiting for file I/O. Which of the following is the proper asynchronous version of the same code? 

- Assume readAsString is asynchronous version of readAsStringSync
- Lines with changes compared to original code are marked with // #
 image

Easy

Iterable Sync
Asynchronous Programming
Solve
What would the following Dart code print?
 image

Medium

Method Overriding
Constructors
Inheritance
Method Overriding
Solve
Consider the following Dart code:
 image
What will be the output of the above Dart code?
 image
🧐 Question🔧 Skill

Medium

Async Await
Asynchronous Programming

3 mins

Dart
Solve

Easy

Iterable Sync
Asynchronous Programming

2 mins

Dart
Solve

Medium

Method Overriding
Constructors
Inheritance
Method Overriding

2 mins

Dart
Solve
🧐 Question🔧 Skill💪 Difficulty⌛ Time
Async Await
Asynchronous Programming
Dart
Medium3 mins
Solve
Iterable Sync
Asynchronous Programming
Dart
Easy2 mins
Solve
Method Overriding
Constructors
Inheritance
Method Overriding
Dart
Medium2 mins
Solve

Test candidates on core Dart (Coding): Debugging Hiring Test topics

Syntax and Semantics: Understanding Dart's syntax and semantics ensures code clarity and correctness. Mastery in this area reduces simple yet common errors like typos or misused operators, which can be easily avoided but can significantly disrupt program flow.

Error Handling: Error handling covers the mechanisms to detect, manage, and recover from errors during execution, ensuring the robustness and reliability of applications. It's crucial since unhandled errors can lead to crashes or unintended behavior, making it a critical skill in debugging and maintaining dependable code.

Debugging Techniques: Debugging techniques involve strategies and tools to identify, isolate, and fix errors in code. Proficiency in debugging saves time and resources by swiftly resolving issues, making it indispensable for any developer aiming to maintain high code quality.

Control Flow: Control flow pertains to the order in which individual statements, instructions, or function calls are executed or evaluated. Proper control flow management ensures the logical progression of actions within a program, preventing unexpected behaviors and logical errors.

Data Structures: Knowledge of data structures allows efficient organization, management, and storage of data for optimal performance. Using the appropriate data structure can vastly improve the efficiency and readability of code, making it a pivotal aspect of problem solving in programming.

Object-Oriented Programming: Object-oriented programming (OOP) is a paradigm based on the concept of objects, encapsulating data, and behavior together. OOP promotes code reusability, scalability, and maintainability, important for developing complex software with Dart.

Libraries and Packages: Libraries and packages in Dart extend functionality and streamline development by providing pre-written code and modules. Utilizing these resources can speed up development and enable quick implementation of complex features, ensuring efficient project completion.

Asynchronous Programming: Asynchronous programming handles operations that take an unpredictable amount of time without blocking the main program flow. Skilled use of asynchronous programming improves the responsiveness of applications, particularly in handling I/O operations and concurrent tasks.

Memory Management: Memory management involves the efficient allocation, use, and release of memory within a software system. Proper memory management aids in preventing leaks and optimizing resource usage, which is essential for the performance and stability of applications.

Testing and Profiling: Testing and profiling are processes used to ensure that the code works as expected and performs optimally. These practices help in identifying bugs and performance bottlenecks early, contributing to the overall quality and reliability of the software.

Code Optimization: Code optimization focuses on enhancing the performance and efficiency of the code. Efficient code runs faster and uses fewer resources, which is crucial for high-performing and scalable applications.

Best Practices: Best practices involve adhering to coding standards and conventions that result in clean, readable, and maintainable code. Following best practices improves collaboration among developers and ensures the long-term health and success of projects.

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Have questions about the Dart (Coding): Debugging Hiring Test?

What roles can I use the Dart (Coding): Debugging Assessment Test for?

Here are few roles for which we recommend this test:

  • Dart Developer
  • Mobile App Developer
  • Frontend Developer
  • Backend Developer
  • Full Stack Developer
  • Software Engineer
  • Junior Developer
  • Senior Developer
  • Code Reviewer
  • Technical Lead
Can I combine Dart test with coding questions?

Yes, recruiters can request a single custom test that includes multiple skills. Check out our Dart Online Test for assessing Dart proficiency.

How to use Dart (Coding): Debugging Test in my hiring process?

Use this test at the beginning of your recruitment process. Include the test link in your job post or directly invite candidates by email.

Do you have any anti-cheating or proctoring features in place?

We have the following anti-cheating features in place:

  • Non-googleable questions
  • IP proctoring
  • Screen proctoring
  • Web proctoring
  • Webcam proctoring
  • Plagiarism detection
  • Secure browser
  • Copy paste protection

Read more about the proctoring features.

What experience level can I use this test for?

Each Adaface assessment is customized to your job description/ ideal candidate persona (our subject matter experts will pick the right questions for your assessment from our library of 10000+ questions). This assessment can be customized for any experience level.

I'm a candidate. Can I try a practice test?

No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

Can I get a free trial?

Yes, you can sign up for free and preview this test.

What is Dart (Coding): Debugging Test?

The Dart (Coding): Debugging Test evaluates a candidate's ability to debug Dart code. It is used by recruiters to identify candidates with strong problem-solving and debugging skills, making hiring decisions more accurate.

What skills are assessed in the Dart (Coding): Debugging Test?

This test covers:

  • Syntax and Semantics
  • Error Handling
  • Debugging Techniques
  • Control Flow
  • Data Structures
  • Object-Oriented Programming
  • Libraries and Packages
  • Asynchronous Programming
  • Memory Management
  • Testing and Profiling
  • Code Optimization
  • Best Practices
Can I test Dart and Flutter together in a test?

Yes, you can. Testing Dart and Flutter together gives a comprehensive evaluation of a candidate's ability with both the language and framework. See our Flutter & Dart Test.

Can I combine multiple skills into one custom assessment?

Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test.

How do I interpret test scores?

The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. A skills assessment is optimized to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 55%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

Does every candidate get the same questions?

Yes, it makes it much easier for you to compare candidates. Options for MCQ questions and the order of questions are randomized. We have anti-cheating/ proctoring features in place. In our enterprise plan, we also have the option to create multiple versions of the same assessment with questions of similar difficulty levels.

What is the cost of using this test?

You can check out our pricing plans.

I just moved to a paid plan. How can I request a custom assessment?

Here is a quick guide on how to request a custom assessment on Adaface.

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