Dart Quizzes (Trivia)

Level 1 The Foundation Syntax & Building Blocks
Variables & Types int, double, String, bool, var, dynamic
01_TYPES 
Constants final (runtime) vs const (compile-time)
02_CONST 
Operators Arithmetic, Type Test (is!), Null-aware (??=)
03_OPS 
Control Flow If/Else, Switch, For, While, Do-While
04_FLOW 
Function Basics Return types, Void, Arrow syntax (=>)
05_FUNC 
Level 2 Core Concepts Data & Structure
Parameters Positional, Named ({required}), Optional ([ ])
06_PARAM 
Collections Lists, Sets, Maps, Spread operator (...)
07_COLL 
Null Safety Nullable (?), Assertion (!), late, ?., ??
08_NULL 
Error Handling Try, Catch, Finally, Custom Exceptions
09_ERR 
Level 3 OOP Object-Oriented Logic
Classes & Constructors Named & Factory constructors, this
10_CLASS 
Inheritance Extends, Implements, Private (_), Overrides
11_OOP 
Mixins & Extensions With keyword, Extension methods
12_EXT 
Enums Enhanced Enums, Fields, and Methods
13_ENUM 
Level 4 Advanced Runtime & Master Concepts
Futures & Async Future, Async, Await, Error handling
14_ASYNC 
Streams Yield, Async*, Broadcast vs Single
15_STREAM 
Generics Type constraints, Generic classes
16_GEN 
Isolates Concurrency, Threading, Computation
17_ISO 