azeezco

import 'dart:math';

main() {
  //Create circles
  Circle circle1 = Circle();
  Circle circle2 =  Circle.withRadius(2);
  Circle circle3 =  Circle.withRadiusAndClor(2, "blue");

  //Print circles
  print("Circle 1: ");

azeezco

class Account {
  Account(this.accountNumber, this.accountBalance, this.accountName);
  final String accountName;
  final int accountNumber;
  int accountBalance;

  checkBalance() => print("Your account balance is $accountBalance");

  makeDeposit(int depositAmount) {
    accountBalance = accountBalance + depositAmount;

azeezco

void main() {
 
 print(addTwoNumbers(2,5));                 //7  
 print(subtTwoNumbers(2,5));                //-3
 print(divideTwoNumbers(2,5).toInt());      //0
 print(multTwoNumbers(2,5));                //10
 print(moduTwoNumbers(2,5));                //2
}

azeezco

void main() {
  
  
 var num = 0;                     //Declaring and initializing variable 'num'
  
while (num <=29) {                // while num is less or equal to 29.
 num = num + 1;                   // increment num by 1 and set it it to num.
  if (num == 30) {                // check if num is equal to 30.
    print("The number is at $num");
     break;                       // break the while loop.