Dart Essentials - From Novice to Proficient Developer

Write your first Dart program using the print method to display hello world in the console. Run and debug in VS Code, finishing statements with a semicolon.

Learn variable naming rules in Dart, including case sensitivity, allowed characters, and restrictions on spaces, numbers at the start, and reserved keywords, with underscore and dollar sign usage.

Explore how dynamic types in Dart let variables change value and type, and why you should avoid them; contrast with var, whose type is inferred and fixed.

Explore declaring strings in Dart with single or double quotes, escape sequences, and multi-line strings; master string interpolation with variables, integers, and object properties using dollar signs and curly braces.

Explore how the Dart logical operators and, or, and not evaluate true or false in expressions, using a equals ten and b equals twenty, including not equals.

Explore how Dart functions return values, from void to integers, and implement sums using return. Learn to use positional and named parameters, a default value, nullable types, and required keywords.

Master arrow functions in Dart, using a single-expression syntax to write one-liner functions that return a plus b with an int type.

Explore treating functions as values through closures and callbacks, passing functions as parameters, using a number getter typedef to define function types, and computing power of two.

Learn to control program flow in Dart using if, else, else if, and switch, and loops, with function scope and parameter passing illustrated by age-based examples.

Explore loops in Dart, focusing on the for loop and its initialization, condition, and increment. Learn to count from 1 to 10 by printing numbers with a loop.

Learn how Dart's for each and for in loops iterate over lists, print elements, and why for in offers clearer intent than for each with function literals.

Explore how Dart uses classes and objects to model data with data members and methods, turning real world concepts into blueprints for behavior.

Learn how encapsulation in Dart closes class internals within a capsule, using underscore private fields and public getters and setters to control access to properties like color and size.

Learn how to encapsulate by moving the bicycle implementation to a separate class, using a private color property and public setter to control access via library boundaries.