For loop

void main() 
{
  var array=['Apple','Orange','Mango'];

  for(var i=0;i<array.length;i++)
  {
    print("Name value is ${array[i]}");
  }
}

For in Loop

void main() 
{
  var array=['Apple','Orange','Mango'];
  
  for(var name in array)
  {
    print("Name value is $name");
  }

}

If Loop

void main() 
{
  var isAccess=false;
  if(isAccess)
  {
    print("You have access");
  }
  else
  {
    print("You dont have access");
  }
}

While Loop

void main() {
  var list=['Apple','Orange','Mango'];
  var i=0;
  
  while(list.length>i)
  {
     print('value of name is ${list[i]}');  
     i++;
  }
}

Do While

void main() {
  var list=['Apple','Orange','Mango'];
  var i=0;
  
  do 
  {
     print('value of name is ${list[i]}');  
     i++;
  }while(list.length>i);

}

Switch Loop

void main() {
	switch('blue')
  {
     case 'Yellow':
      print('Its Green');
      break;
    case 'yellow':
      print('Its Yellow');
      break;
     default:
            print('Its nothing');
      break;   
  }
}