static void MultipleLegs(PetStruct petStruct, PetClass petClass)
{
petStruct.Legs = petStruct.Legs * 2;
petClass.Legs = petClass.Legs * 2;
Console.WriteLine("Internal Method - A " + petStruct.Type + " has " + petStruct.Legs + " legs");
Console.WriteLine("Internal Method - A " + petClass.Type + " has " + petClass.Legs + " legs");
}
static void Main(string[] args)
{
// int[5] tells us there will be 5 items in the array
int[] intArray = new int[5];
string[] strArray = new string[5];
// storing items in the arrays
int[] populatedIntArray = new int[] { 0, 1, 2, 3, 4, 5 };
string[] populatedStrArray = new string[] { "One", "Two", "Three" };
intArray[0] = 5;
intArray[2] = 15;
int firstVal = intArray[0];
// initializing two arrays with three items each
int[,] multiInt = new int[2, 3];
int[,] multiPopulatedInt = { { 1, 2, 3 }, { 5, 6, 7 } };
int firstMultiVal = multiPopulatedInt[0, 0];
int secondMultiVal = multiPopulatedInt[1, 2];
// lists don't need to have the number of items declared
List <string> listOfStrings = new List <string>();
listOfStrings.Add("First String");
listOfStrings.Insert(0, "Inserted String");
listOfStrings.Remove("First String");
listOfStrings.RemoveAt(0);
listOfStrings.Sort();
var theFirstStrIs = listOfStrings[0];
Dictionary <string, string> names = new Dictionary <string, string>();
names.Add("James", "Bond");
names.Add("Money", "Penny");
Console.WriteLine("The name is " + names["James"]);
names.Remove("James");
PetStruct dog = new PetStruct();
dog.Type = PetType.Dog;
dog.HasFur = true;
dog.Legs = 4;
PetClass duck = new PetClass();
duck.Type = PetType.Duck;
duck.HasFur = false;
duck.Legs = 2;
Console.WriteLine("a " + dog.Type + " has " + dog.Legs + " legs");
Console.WriteLine("a " + duck.Type + " has " + duck.Legs + " legs");
MultipleLegs(dog, duck);
Console.WriteLine("a " + dog.Type + " has " + dog.Legs + " legs");
Console.WriteLine("a " + duck.Type + " has " + duck.Legs + " legs");
List <PetClass> pets = new List <PetClass>();
pets.Add(new PetClass {
HasFur = false, Legs = 2, Name = "Donald", Type = PetType.Duck
});
pets.Add(new PetClass {
HasFur = true, Legs = 4, Name = "Pluto", Type = PetType.Dog
});
List <PetClass> results = (from p in pets
where p.Type == PetType.Dog
select p).ToList();
results = pets.Where(p => p.Type == PetType.Dog).ToList();
Console.ReadLine();
}
static void Main(string[] args)
{
// Start of the block Arrays and collections
int[] intArray = new int[5];
string[] stringArray = new string[5];
int[] populatedArray = new int[] { 0, 1, 2, 3, 4, 5 };
string[] populatedStringArray = new string[] { "One", "Two", "Three" };
intArray[0] = 5;
intArray[2] = 15;
int firstValue = intArray[0];
int[,] multiInt = new int[2, 3]; // 2 in the first column, 3 in the second
int[,] multiPopulatedInt = { { 1, 2, 3 }, { 5, 6, 7 } };
int firstMultiValue = multiPopulatedInt[0, 0]; // value would be 1
int secondMultiValue = multiPopulatedInt[1, 2]; // value 7
List <string> listOfStrings = new List <string>();
listOfStrings.Add("fist String"); // add to the end of List
listOfStrings.Insert(0, "Inserted String"); // insert based on index
listOfStrings.Remove("first String"); // removing based on content
listOfStrings.Remove("0"); // removing based in index
listOfStrings.Sort();
var theFirstString = listOfStrings[0];
Dictionary <string, string> names = new Dictionary <string, string>();
names.Add("James", "Bond");
names.Add("Money", "Penny");
names.Remove("James");
// End of the block Arrays and collections
PetStruct dog = new PetStruct();
dog.Type = PetType.Dog;
dog.HasFur = true;
dog.Legs = 4;
PetClass duck = new PetClass();
duck.Type = PetType.Duck;
duck.HasFur = false;
duck.Legs = 2;
Console.WriteLine("A " + dog.Type + " has " + dog.Legs + " legs.");
Console.WriteLine("A " + duck.Type + " has " + duck.Legs + " legs.");
MultipleLegs(dog, duck);
Console.WriteLine("A " + dog.Type + " has " + dog.Legs + " legs.");
Console.WriteLine("A " + duck.Type + " has " + duck.Legs + " legs.");
List <PetClass> pets = new List <PetClass>();
//PetClass mydog = new PetClass(); // a way to create the object
// Another way to create the object in the List using LINQ
pets.Add(new PetClass {
HasFur = false, Legs = 2, Name = "Donald", Type = PetType.Duck
}); // frist item of the list
pets.Add(new PetClass {
HasFur = true, Legs = 4, Name = "Pluto", Type = PetType.Dog
}); // second item
List <PetClass> results = (from p in pets
where p.Type == PetType.Dog
select p).ToList();
//<PetClass> results = (from p in pets
// where p.Name == "Pluto"
// select p).FirstOrDefault();
// Another way using Lambda
PetClass result = pets.FirstOrDefault(p => p.Type == PetType.Dog); // when returned a sigle item
Console.WriteLine("found " + results.Count + " Dogs");
Console.ReadLine();
}
static void Main(string[] args)
{
int[] intArray = new int[5];
string[] stringArray = new string[10];
int[] populatedIntArray = new int[] { 0, 1, 2, 3, 4, 5 };
string[] populatedStringArray = new string[] { "Bob", "John", "Ron" };
intArray[0] = 5;
intArray[2] = 15;
int firstvalue = intArray[0];
int[,] multiInt = new int[2, 3];
int[,] multiPopulatedInt = { { 1, 2, 3 }, { 3, 4, 5 } };
int firstMultivalue = multiPopulatedInt[0, 0]; //value would be 1
int secondMultivalue = multiPopulatedInt[1, 2]; //value would be 5
List <string> listOfString = new List <string>();
listOfString.Add("First string added to list");
listOfString.Insert(0, "Inserted to the top of the list");
listOfString.Remove("First string added to list");
listOfString.RemoveAt(0);
listOfString.Sort();
var theFirstStringis = listOfString[0];
Dictionary <string, string> names = new Dictionary <string, string>();
names.Add("James", "Bonds");
names.Add("lebron", "James");
Console.WriteLine("The name is " + names["James"]);
names.Remove("James");
PetStruct dog = new PetStruct();
dog.Type = PetType.Dog;
dog.Legs = 4;
dog.HasFur = true;
dog.Name = "Doggy";
PetClass duck = new PetClass();
duck.Name = "Ugly";
duck.Type = PetType.Duck;
duck.Legs = 2;
duck.HasFur = false;
//Outside method
Console.WriteLine("a " + dog.Type + " has " + dog.Legs + " legs ");
Console.WriteLine("a " + duck.Type + " has " + duck.Legs + " legs ");
MultipleLegs(dog, duck);
//Outside method
Console.WriteLine("a " + dog.Type + " has " + dog.Legs + " legs ");
Console.WriteLine("a " + duck.Type + " has " + duck.Legs + " legs ");
Console.ReadLine();
}