Скачать или смотреть Dart Interview Question: Count Vowels in a String | Solved with Logic by Uzair Ahmed

Welcome to this Dart programming tutorial by Uzair Ahmed, where we solve one of the most frequently asked Dart interview questions – “How do you count vowels in a given string?”

This question is common in programming interviews, logical assessments, technical screening rounds, and Dart/Flutter developer tests. In this step-by-step video, Uzair Ahmed explains how to write a clean, simple, and optimized Dart program that counts the number of vowels in a user-defined or hardcoded string.

Whether you are a beginner trying to improve your programming fundamentals or preparing for your next Flutter or Dart-based job interview, this video is designed to help you build confidence in logic-building, string manipulation, and Dart syntax.

In This Video by Uzair Ahmed, You Will Learn:
What are vowels in English and how to identify them in a Dart string

The use of Dart string methods like .split(), .contains(), and .where()
Functional approach in Dart to count specific characters

How to filter vowels from a string using Dart built-in functions
Writing clean, readable, and interview-ready Dart code
Real-time output using DartPad or any Dart environment

How to explain your logic confidently in interviews

Tips from Uzair Ahmed on avoiding common mistakes

Why This Question Is Important:
Counting vowels might seem like a basic task, but in interviews, it tests:

Your understanding of strings in Dart
How well you apply logic to character filtering
Your comfort with Dart’s functional methods (where, contains, etc.)
How efficiently and cleanly you write code

Your ability to communicate your thought process

Uzair Ahmed focuses on each of these aspects and explains the solution clearly, making it easier for you to not only understand the logic but also remember it when it matters the most – during interviews and tests.

Who Should Watch This?
Students learning Dart programming

Flutter app developers working on string operations
Freshers preparing for technical job interviews
Intermediate coders improving their logic-building
Anyone interested in mastering Dart for real-world use

Viewers of Uzair Ahmed’s coding series

Additional Concepts Covered:
Dart string splitting with .split('')
Filtering characters with .where()
Checking membership with .contains()

Printing and debugging output in Dart
Enhancing code readability and reusability
Functional vs traditional loop-based approach
Thinking in terms of performance and simplicity

About Uzair Ahmed:
Uzair Ahmed is a passionate programming content creator who makes simple, beginner-friendly tutorials on Dart, Flutter, and logic-based coding challenges. His goal is to make programming easier for students, job seekers, and anyone looking to start a career in tech. Through real interview questions, clean explanations, and hands-on coding, Uzair helps you go from beginner to confident coder — one video at a time.

Practice Tip by Uzair Ahmed:

Try modifying this program:
To count both lowercase and uppercase vowels
To display each vowel found and how many times each occurred
To skip counting duplicate vowels
To wrap it inside a reusable function for larger apps

These improvements will help you prepare for follow-up questions in interviews.

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Keep practicing, keep improving, and keep learning with Uzair Ahmed!

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