Headmast

import 'package:http/http.dart' as http;
import 'dart:io';

void main(List<String> arguments) async {

  try {
    var resp = await fetchJson(url:'https://jsonplaceholder.typicode.com/posts');
    fetchJson(url:'https://i.pinimg.com/564x/e6/57/1a/e6571a6c62fb2615c741a8fcf32aef49.jpg');

    print('Print json \n${resp.body}');

Headmast

void main() {
  
  final p = SuperPrinter<int>(1);
  p.doPrint();
  
  final pString = SuperPrinter<String>('Awesome dart');
  pString.doPrint();
  
  var st = Student(2020);
  st.name = 'Stas';

Headmast

void main() {
  var sh = CustomShape();
  sh.getBorder(sh.borders);
}

class CustomShape extends Shape with BorderHelper {
  CustomShape(): super([1.0, 2.0]);
}

Headmast

main() {
  var userMain = User();
  userMain.name = 'Boris';
  print('Your name: ${userMain.name}');
  
  var st = Student(2020);
  st.name = 'Stas';
  st.surname = 'Konovalov';
  print('New student: $st');
}

Headmast

import 'dart:math';

String solve({double ax, double bx, double cx}) {
  double discriminant({double a, double b, double c}) {
    return (b*b - 4*a*c);
  }
  double calculateX({double a, double b, double c, int xType = 1}) {
    double singDiscr;
    final sqrtD = sqrt(discriminant(a: a, b:b, c:c));
    if (xType == 1) {

Headmast

// 1
void reverse([String text = '']) {
  print('New line: ${text.split(' ').reversed.join(' ')}');
}

void main() {
  var a = 'hello world';
  reverse();
}

Headmast

double average(List <double> darray) {
  double sum = 0;
  darray.forEach((value) 
                 {sum += value;}
                );
  return sum/darray.length;
  
}

Headmast

void reverse(String text) {
  print('New line: ${text.split(' ').reversed.join(' ')}');
}

void main() {
  var a = 'hello world';
  reverse(a);
 }

Headmast

import 'dart:io';

void addUp() {
  var input = '';
  double sum = 0;

   do {
     input = stdin.readLineSync();
 double value = double.tryParse(input);

Headmast

void evenNumbers() {
  print('Print all even number');
  for (int i = 0; i <= 100; i = i+2) {
    print(i);
  }
}