static void Main(string[] args)
{
//Problem 2: StudentsAndWorkers
Random rng = new Random();
List <Student> students = new List <Student>();
List <Worker> workers = new List <Worker>();
for (int i = 0; i < 10; i++)
{
students.Add(new Student(NameGenerator.FirstName(rng), NameGenerator.LastName(rng), rng.Next(2, 6)));
workers.Add(new Worker(NameGenerator.FirstName(rng), NameGenerator.LastName(rng), (decimal)(rng.NextDouble() * 1000), rng.Next(4, 8)));
}
//sorting students by grade
var sortedStudents = from x in students
orderby x.Grade
select x;
//sorting workers by money per hour
var sortedWorkers = from x in workers
orderby x.MoneyPerHour()
select x;
//merging into single list and sorting by first then last name
var merged = new List <Human>(sortedStudents).Union(sortedWorkers).ToList();
var sortedHumans = merged.OrderBy(x => x.FirstName).ThenBy(x => x.LastName).ToList();
foreach (var item in sortedHumans)
{
Console.WriteLine(item);
}
Console.WriteLine("===================================================================");
//Problem3: Animal hierarchy
Dog[] dogs =
{
new Dog("Scooby-Doo", "male", 47),
new Dog("Beuty", "female", 6)
};
Kitten[] kittens =
{
new Kitten("Grumpy Cat", 4)
};
Tomcat[] tomcats =
{
new Tomcat("Tom", 3)
};
Frog[] frogs =
{
new Frog("Kermit", "male", 61)
};
Console.WriteLine("Dogs avg age: {0:F2}", dogs.Sum(x => x.Age) / (double)dogs.Length);
Console.WriteLine("Kittens avg age: {0:F2}", kittens.Sum(x => x.Age) / (double)kittens.Length);
Console.WriteLine("Tomcats avg age: {0:F2}", tomcats.Sum(x => x.Age) / (double)tomcats.Length);
Console.WriteLine("Frogs avg age: {0:F2}", frogs.Sum(x => x.Age) / (double)frogs.Length);
}
