dart

Variables are used to store values in memory for later use. In Dart, you can declare variables using the var, final, or const keywords. The type of a…

The Dart programming language is a relatively new language developed by Google. It was first announced at the GOTO conference in Aarhus, Denmark, in…

Recursion is one of the most important and interesting concepts in any programming language. It can be defined as a process in which a function calls…

Enums or enumerated types are special classes representing a fixed number of constant values. Declaring an enum To declare a simple enum, you use…

Dart Return Values Sometimes we may want a function to return some value to the point it where it is called from. In Dart, there is return keyword…

The main() function is a predefined method in Dart. It is the most important and mandatory part of any Dart Program. Any Dart script requires the main()…

Symbols in Dart are opaque, dynamic string name used in reflecting out metadata from a library. Simply put, symbols are a way to store the relationship…

At times, certain instructions require repeated execution. Loops are an ideal way to do the same. A loop represents a set of instructions that must be…

When you need to ensure only a single instance of a class is created, and you want to provide a global point of access to it, the Singleton design pattern…

Lexical scoped variable/closure etc can only be accessed within the block of code in which it is defined. Understanding lexical scoping In a…