static void Main(string[] args)
{
List <ClassicCar> carList = new List <ClassicCar>();
populateData(carList);
// How many cars are in the collection? Use count property
Console.WriteLine("Total number of cars is: {0}", carList.Count);
// How many Fords are there?
ClassicCar car = carList.Find(x => x.m_Make.Equals("Ford"));
if (car != null)
{
Console.WriteLine("There are {0} Fords", car.m_Make.Length);
}
// What is the most valuable car?
ClassicCarComparer carComparer = new ClassicCarComparer();
carList.Sort(carComparer);
foreach (ClassicCar c in carList)
{
// Console.WriteLine($"{c.m_Make} {c.m_Value}");
if (c.m_Value == carList.Max(i => i.m_Value))
{
Console.WriteLine($"{c.m_Make} {c.m_Value}");
}
}
// What is the entire collection worth?
carList.ForEach(TotalCollectionWorth);
Console.WriteLine("Total collection worth is: {0}", total);
// How many unique manufacturers are there?
Dictionary <string, bool> makes = new Dictionary <string, bool>();
foreach (ClassicCar c in carList)
{
try
{
makes.Add(c.m_Make, true);
}
catch (Exception e)
{
}
;
}
Console.WriteLine("The collection contains {0} unique manufacturers", makes.Keys.Count);
Console.WriteLine("\nHit Enter key to continue...");
Console.ReadLine();
}
static bool FindFords(ClassicCar car)
{
if (car.m_Make == "Ford")
{
return(true);
}
return(false);
}
static void Main(string[] args)
{
List <ClassicCar> carList = new List <ClassicCar>();
populateData(carList);
// How many cars are in the collection?
Console.WriteLine($"There are {carList.Count} cars in the list.");
// How many Fords are there?
List <ClassicCar> fordList = carList.FindAll(FindFords);
Console.WriteLine($"There are {fordList.Count} Fords in the list");
// What is the most valuable car?
ClassicCar mostValCar = null;
int highValue = 0;
foreach (ClassicCar c in carList)
{
if (c.m_Value > highValue)
{
mostValCar = c;
highValue = c.m_Value;
}
}
Console.WriteLine($"The most expensive car is {mostValCar.m_Make}, {mostValCar.m_Model}, { mostValCar.m_Year} and it costs { mostValCar.m_Value}.");
// What is the entire collection worth?
int totalVal = 0;
foreach (ClassicCar c in carList)
{
totalVal += c.m_Value;
}
Console.WriteLine($"Total value is {totalVal}");
// How many unique manufacturers are there?
Dictionary <string, bool> makes = new Dictionary <string, bool>();
foreach (ClassicCar c in carList)
{
try
{
makes.Add(c.m_Make, true);
}
catch (Exception e) { }
}
Console.WriteLine($"There are {makes.Keys.Count} unique manufacturers.");
Console.WriteLine("\nHit Enter key to continue...");
Console.ReadLine();
}
static void Main(string[] args)
{
List <ClassicCar> carList = new List <ClassicCar>();
populateData(carList);
// How many cars are in the collection?
Console.WriteLine("There are {0} cars in the entire collection. \n", carList.Count);
// How many Fords are there?
List <ClassicCar> fordList = carList.FindAll(FindFords);
Console.WriteLine("There are {0} Fords in the entire collection. \n", fordList.Count);
// What is the most valuable car?
ClassicCar mostValCar = null;
int highValue = 0;
foreach (ClassicCar c in carList)
{
if (c.m_Value > highValue)
{
mostValCar = c;
highValue = c.m_Value;
}
}
Console.WriteLine("The most valuable car is a {0} {1} {2} at ${3}\n",
mostValCar.m_Year, mostValCar.m_Make, mostValCar.m_Model, mostValCar.m_Value);
// What is the entire collection worth?
int totalValue = 0;
foreach (ClassicCar c in carList)
{
totalValue += c.m_Value;
}
Console.WriteLine("The collection is worth ${0}\n", totalValue);
// How many unique manufacturers are there?
Dictionary <string, bool> makes = new Dictionary <string, bool>();
foreach (ClassicCar c in carList)
{
try
{
makes.Add(c.m_Make, true);
}
catch (Exception e) { }
}
Console.WriteLine("\nHit Enter key to continue...");
Console.ReadLine();
}
static void TotalCollectionWorth(ClassicCar car)
{
total += car.m_Value;
}
static void Main(string[] args)
{
List <ClassicCar> carList = new List <ClassicCar>();
populateData(carList);
//MY ANSWER
// How many cars are in the collection?
Console.WriteLine("There are {0} cars in the entire collection.", carList.Count);
// How many Fords are there?
int countFord = carList.Count(x => x.m_Make.Equals("Ford"));
Console.WriteLine("There are {0} Fords in the collection", countFord);
// What is the most valuable car?
ClassicCar c = carList.Find(x => x.m_Value.Equals(carList.Max(y => y.m_Value)));
Console.WriteLine("The most Valuable Car is a {0} {1} {2} at ${3}", c.m_Year, c.m_Make, c.m_Model, c.m_Value);
// What is the entire collection worth?
double sum = carList.Sum(x => x.m_Value);
Console.WriteLine("The collection is worth ${0}", sum);
// How many unique manufacturers are there?
int m = (from x in carList
select x.m_Make).Distinct().Count();
Console.WriteLine("The collection has {0} unique manufacturers", m);
Console.WriteLine("\nHit Enter key to continue...");
Console.ReadLine();
/* instructors answers
* // How many cars are in the collection?
* Console.WriteLine("There are {0} cars in the entire collection.\n", carList.Count);
*
* // How many Fords are there?
* List<ClassicCar> fordList = carList.FindAll(FindFords);
* Console.WriteLine("There are {0} Fords in the entire collection.\n", fordList.Count);
*
* // What is the most valuable car?
* ClassicCar mostValCar = null;
* int highValue = 0;
* foreach (ClassicCar c in carList) {
* if (c.m_Value > highValue) {
* mostValCar = c;
* highValue = c.m_Value;
* }
* }
* Console.WriteLine("The most valuable car is a {0} {1} {2} at ${3}\n",
* mostValCar.m_Year, mostValCar.m_Make, mostValCar.m_Model, mostValCar.m_Value);
*
*
* // What is the entire collection worth?
* int totalValue = 0;
* foreach (ClassicCar c in carList) {
* totalValue += c.m_Value;
* }
* Console.WriteLine("The collection is worth ${0}\n", totalValue);
*
* // How many unique manufacturers are there?
* Dictionary<string, bool> makes = new Dictionary<string, bool>();
* foreach (ClassicCar c in carList) {
* try {
* makes.Add(c.m_Make, true);
* }
* catch (Exception e) { }
* };
* Console.WriteLine("The collection contains {0} unique manufacturers.\n", makes.Keys.Count);
*
*
* Console.WriteLine("\nHit Enter key to continue...");
* Console.ReadLine();
*/
}
