Variables in Dart

Published in

Complete Flutter Guide

Apr 7, 2024

Lesson#6

Variable are named memory locations where data is stored.

A variable name can consist of alphabets, numbers, underscore, and $ sign. It must not start with a number.

General syntax of declaring a variable name is:

DataType variableName;

Example:

int x;

Common Data Types

int, double, num, String, Boolean, List, Set, Map, Null

  int x = 44;
  String name = "Umer";
  double pi = 3.14;
  bool pass = true;
  var abc = "Anything";