study_session.dart

void main() {
//   List<int> numbers = [1,2,3,4,5,6,7,8,9];
//   print('FOREACH METHOD');
//   numbers.forEach((number){
//     print(number*number);
//   });
  
//   print('\nFOR LOOP');
//   for(int number in numbers){ 
//     print(number*number);
//   }
  
  
  String myName = 'Olumide';
  var length = myName.length;
//   for(int i = 0; i < length; i++) {
//     print(myName[i]);
//   }
  
  int index = 0;
  while(index < length) {
    print(myName[index]);
    index += 1;
  }
  
  
  
  
  
  
  
//   var hours = 12;
//   print('WHILE LOOP');
//   while(hours < 12) {
//     print('The time is $hours:00');
// //     hours += 1;
// //     hours = hours + 1;
//     hours++;
//   }
  
//   print('\nDO-WHILE LOOP');
//   do {
//     print('The time is $hours:00');
//     hours++;
//   } while (hours < 12);
  
  
  
  //   List<String> passwords = ['abc', '188gbjhbk', 'hjjaijuui', 'ih197wuqghbiuKH9OIWA', 'Vy7u33'];
  
//   passwords.forEach((password){
//     if(password.length < 5) {
//       print('The password "$password" is too weak');
//     }
//     else if(password.length <= 8){
//       print('The password "$password" is good');
//     }
//     else if(password.length <= 12){
//       print('The password "$password" is quite strong');
//     }
//     else {
//       print('Wow, "$password" is a very strong password!');
//     }
//   });
  
  
  
//   List<int> ages = [9, 12, 16, 13, 23, 18];
//   var message;

//   for (var age in ages) {
    
//     print('This person is $age years old');
    
//     if (age < 11) {
//       message = 'Go to primary school';
//     } else if (age < 16) {
//       message = 'GO to high school';
//     } else {
//       message = 'Go to the university';
//     }
//     print(message);
    
//   }

//   print("Hello world");
//   String firstname = 'Jackson';
//   String lastname = 'Michael';
//   int age = 30;
//   var myString = 'My name is $firstname $lastname andd I am $age years old.';
//   print(myString);

//   List<String> myList = ['Sodiq', 'Iyin', 'Peter', 'Sodiq'];
//   print(myList.toSet());

//   Map myMap = {
//     'dart': 'flutter',
//     'javascript': 'react-native',
//     false : 'flask'
//   };
//   print(myMap[false]);
}