Dart-HelloWorld

readme.md

Dart-HelloWorld

Created with <3 with dartpad.dev.

main.dart

void main() {
  //print("Hello World!");

  //Type of data

  //Boolean
  print("Program to know if sunny or not");
  bool isSunny = true;
  print(isSunny);
 print("--------------------------------------");
  print("Program to know the old and stature");
  print("Old");
  int old = 20;
  print(old);
  print("stature");
  double stature = 1.65;
  print(stature);
  print("--------------------------------------");
  print("Program to know the name of a country");

  print("Country");
  String country = "Peru";
  print(country);
  
  print("---------------------------------------------");
  print("Program to list fruts");
  List<String> fruts = ["apple", "ornage", "banana"];
  print(fruts);
  
  print("---------------------------------------------");
  print("Programan using var");
  var name = "Wilson"; //string
	var years = 32; //int
  print(name);
  print(years);
  
  print("Programan using finaly and const");
	const title = "Language Dart";
	//title = "otro valor" //esto generara un error;
	print(title);
	  
	final subtitle = "Tools DartPad";
	print(subtitle);

	const persons = {"name": "wilson", "lastname": "vasquez"};
  print(persons);
  //persons.addAll({"like":"true"}); //esto generara un error porq una constante no se puede modificar
  //print(persons);


  final animals = {"name": "gat", "feature": "vertebrate"};
  print(animals);
  animals.addAll({"like":"true"}); // a diferencia de final, no se puede modificar el objetro pero si sus componentes
  print(animals); //en este caso se agrego uno nuevo

  print("Programan using dynamic");
	dynamic isName = true;
	print(isName);
	isName = "Wilson";
	print(isName);
}