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How do you use StreamBuilder in Flutter to handle data streams?
Last Updated: December 6, 2025In Flutter, a StreamBuilder is a widget that listens to a Stream and rebuilds itself whenever new data, errors, or...
How do you implement a factory pattern in Dart?
Last Updated: December 6, 2025The factory pattern in Dart is a very elegant way to control object creation. It allows you to decide how...
What is the significance of typedef in Dart?
Last Updated: December 6, 2025typedef in Dart plays an important role in improving code readability, reusability, and type safety, especially when working with functions...
How do you handle memory management and garbage collection in Dart?
Last Updated: December 6, 2025memory management and garbage collection (GC) are fundamental to how Dart maintains performance and stability, especially in long-running Flutter apps....
How do you optimize a Dart program for performance?
Last Updated: December 6, 2025performance optimization in Dart isn’t just about making code run faster; it’s about understanding how Dart’s runtime, memory management, and...
What is the dart:ffi package used for in Dart?
Last Updated: December 6, 2025The term FFI stands for Foreign Function Interface, and it basically allows your Dart program to directly call functions and...
What are isolates in Dart, and how do they help with parallelism?
Last Updated: December 6, 2025important concept in Dart — isolates are the foundation of how Dart handles true parallelism while keeping the main thread...
What is the difference between http and dio package in Flutter/Dart?
Last Updated: December 6, 2025The http package is lightweight and simple. It’s part of the official Dart packages, so it’s perfect when you just...
How can you perform HTTP requests in Dart?
Last Updated: December 6, 2025To perform HTTP requests in Dart, the most common and straightforward way is by using the http package — it’s...
How do you use Future.delayed() in Dart? Give an example.
Last Updated: December 6, 2025Future.delayed() is one of the simplest and most useful ways in Dart to create a delay or simulate an asynchronous...