static void Main()
{
Kitten Lili = new Kitten("Lili",2);
Dog Sharo = new Dog("Sharo", 4, Gender.Male);
Frog Frog = new Frog("Frog", 5, Gender.Female);
Cat Jerry = new Cat("Jerry",7,Gender.Male);
Tomcat Tom = new Tomcat("Tom", 3);
Dog Pyhcho = new Dog("Pyhcho", 1, Gender.Male);
List<Animal> animals = new List<Animal>() { Lili, Sharo, Frog, Tom,Pyhcho,Jerry };
foreach (var animal in animals)
{
Console.WriteLine("{0}\n", animal);
}
animals
.GroupBy(animal => animal.GetType().Name)
.Select(group => new
{
AnimalName = group.Key,
AverageAge = group.Average(a => a.Age)
})
.ToList()
.ForEach(group => Console.WriteLine("{0} average age : {1}",group.AnimalName,group.AverageAge));
}
static void Main()
{
Cat cat1 = new Cat("Tom", 2, "Male");
cat1.ProduceSound();
Cat cat2 = new Cat("Minka", 3, "Female");
cat2.ProduceSound();
Cat cat3 = new Cat("Gosho", 4, "Male");
cat3.ProduceSound();
Dog dog1 = new Dog("Lassie", 3, "Female");
dog1.ProduceSound();
Dog dog2 = new Dog("Haruki", 4, "Male");
dog2.ProduceSound();
Dog dog3 = new Dog("Murdjo", 5, "Male");
dog3.ProduceSound();
Frog frog1 = new Frog("Prince", 1, "Male");
frog1.ProduceSound();
Frog frog2 = new Frog("Igor", 2, "Male");
frog2.ProduceSound();
Frog frog3 = new Frog("Jivka", 1, "Female");
frog3.ProduceSound();
Kitten kitten1 = new Kitten("Bira", 1);
kitten1.ProduceSound();
Kitten kitten2 = new Kitten("Chertichka", 4);
kitten2.ProduceSound();
Kitten kitten3 = new Kitten("Pepa", 2);
kitten3.ProduceSound();
Tomcat tomcat1 = new Tomcat("Coolio", 4);
tomcat1.ProduceSound();
Tomcat tomcat2 = new Tomcat("Pantelei", 3);
tomcat2.ProduceSound();
Tomcat tomcat3 = new Tomcat("Kotyo", 6);
tomcat3.ProduceSound();
Console.WriteLine(new string('=', 30));
Animal[] animals = { cat1, cat2, cat3, dog1, dog2, dog3, frog1, frog2, frog3, kitten1, kitten2, kitten3, tomcat1, tomcat2, tomcat3 };
double averageAge = animals.Average(x => x.Age);
Console.WriteLine("Average age of all animals is {0:0.##} years.", averageAge);
double averageAgeCat = animals.Where(x => x is Cat).Average(x => x.Age);
Console.WriteLine("Average age of the cats is {0:0.##} years.", averageAgeCat);
double averageAgeDog = animals.Where(x => x is Dog).Average(x => x.Age);
Console.WriteLine("Average age of the dogs is {0:0.##} years.", averageAgeDog);
double averageAgeFrog = animals.Where(x => x is Frog).Average(x => x.Age);
Console.WriteLine("Average age of the frogs is {0:0.##} years.", averageAgeFrog);
double averageAgeKitten = animals.Where(x => x is Kitten).Average(x => x.Age);
Console.WriteLine("Average age of the kitten is {0:0.##} years.", averageAgeKitten);
double averageAgeTomcat = animals.Where(x => x is Tomcat).Average(x => x.Age);
Console.WriteLine("Average age of the tomcats is {0:0.##} years.", averageAgeTomcat);
}
static void Main(string[] args)
{
Kitten pipi = new Kitten("Pipi", 8);
Tomcat momo = new Tomcat("Momo", 5);
Cat chocho = new Cat("Chocho", 11, "Male");
Cat puhi = new Cat("Puhi", 3, "Female");
List <Cat> cats = new List <Cat>
{
pipi,
momo,
chocho,
puhi
};
foreach (var cat in cats)
{
Console.Write(cat + " , Says: ");
cat.ProduceSound();
}
Dog sharo = new Dog("Sharo", 9, "Male");
Dog loki = new Dog("Loki", 2, "Male");
Dog shaila = new Dog("Shaila", 7, "Female");
List <Dog> dogs = new List <Dog>
{
sharo,
loki,
shaila
};
foreach (var dog in dogs)
{
Console.Write(dog + " , Says: ");
dog.ProduceSound();
}
Frog frogy = new Frog("Frogy", 2, "Male");
Frog greeny = new Frog("Greeny", 6, "Female");
Frog doty = new Frog("Doty", 1, "Female");
List <Frog> frogs = new List <Frog>
{
frogy,
greeny,
doty
};
foreach (var frog in frogs)
{
Console.Write(frog + " , Says: ");
frog.ProduceSound();
}
List <Animal> averageAge = new List <Animal>
{
pipi,
momo,
chocho,
puhi,
sharo,
loki,
shaila,
frogy,
greeny,
doty
};
var aveAge =
from average in averageAge
group average by new { Group = average.GetType().Name } into grouped
select new
{
Group = grouped.Key.Group,
AverageAge = grouped.Average(a => a.Age)
};
foreach (var animal in aveAge)
{
Console.WriteLine(animal);
}
}
