static void Main(string[] args)
{
var names = new List <string> ();
// add items to the list one at a time
names.Add("COVID-19");
names.Add("Ebola");
names.Add("Spanish Flu");
names.Add("SARS");
names.Add("Measeles");
names.Insert(0, "Shebola");
//remove item from the list one at a time
names.Remove("Measeles");
// remove item at a certian index
names.RemoveAt(3);
// add multiple items
var people = new List <string> {
"Nathan", "Martin", "Randy's Kid"
};
//names.AddRange(new List<string> { "Nathan", "Martin", "Randy's Kid" });
names.AddRange(people);
// remove multiple items
names.RemoveRange(names.Count - 3, 3);
foreach (var name in names)
{
Console.WriteLine($"current name is {name}");
}
//----------------------------------------------------
//Dictionaries
//----------------------------------------------------
var symptoms = new Dictionary <string, string>();
symptoms.Add("COVID-19", "Dry Cough, fever, respiratory problems, cancels everything");
symptoms.Add("Ebola", "fever, headache, muscle pain, weakness");
symptoms.Add("Spanish Flu", " fever, a dry cough, fatigue and difficulty breathing");
symptoms.Add("SARS", "Fever, dry cough, headache, muscle aches, and difficulty breathing");
symptoms.Add("Rabies", "Symptoms include fever, headache, excess salivation, muscle spasms, paralysis, and mental confusion.");
//you cannot add two entries with the same key. it will throw an exception stating that the entry already exists
//get single thing
var covidSymptoms = symptoms["COVID-19"];
//remove single item
symptoms.Remove("Ebola");
//collection initializer
var otherDictionary = new Dictionary <string, int> {
{ "nathan", 33 }, { "martin", 36 }
};
foreach (var(virus, symptom) in symptoms)
{
Console.WriteLine($"The {virus} virus has the following symptoms: {symptom}");
}
foreach (var name in names)
{
if (symptoms.ContainsKey(name))
{
Console.WriteLine($"The {name} virus has the following symptoms: {symptoms[name]}");
}
else
{
Console.WriteLine($"The {name} virus is uNkNoWn.");
}
}
//-------------------------------------
//Queues(FIFO)/Stacks(LILO)
//-------------------------------------
var diseasesToCure = new Queue <string>();
diseasesToCure.Enqueue("SARS");
diseasesToCure.Enqueue("COVID-19");
var thingToCure = diseasesToCure.Dequeue();
var nextThingToCure = diseasesToCure.Dequeue();
//var diseasesToCure = new Stack<string>();
//diseasesToCure.Push("SARS");
//diseasesToCure.Push("COVID-19");
//-------------------------------------
//Hashset
//-------------------------------------
var vectors = new HashSet <string>();
vectors.Add("Airborne");
vectors.Add("Airborne");
vectors.Add("Airborne");
vectors.Add("Airborne");
vectors.Add("Droplet");
vectors.Add("Droplet");
vectors.Add("Droplet");
vectors.Add("Droplet");
vectors.Add("Bloodborne");
vectors.Add("Bloodborne");
vectors.Add("Bloodborne");
vectors.Add("Bloodborne");
var covid19 = new Virus("COVID-19", 15);
covid19.Symptoms.Add("Fever");
covid19.Symptoms.Add("Dry Cough");
covid19.Symptoms.Add("Cancels Everything except work.");
covid19.NumOfDeathsWorldwide = 7158;
var spanishFlu = new Virus("Spanish Flu", 11);
spanishFlu.Symptoms.Add("Fever");
spanishFlu.Symptoms.Add("Dry Cough");
spanishFlu.NumOfDeathsWorldwide = 50000000;
var rabies = new Virus("Rabies", 11);
rabies.Symptoms.Add("Fever");
rabies.Symptoms.Add("excess salivation");
rabies.NumOfDeathsWorldwide = 200000;
var viruses = new List <Virus> {
covid19, spanishFlu, rabies
};
foreach (var virus in viruses)
{
Console.WriteLine($"The {virus.Name} has an incubation period of {virus.IncubationDays} and has killed {virus.NumOfDeathsWorldwide} wombats.");
Console.WriteLine($"It has the following symptoms: {string.Join(", ", virus.Symptoms)}");
}
Console.ReadKey();
}
static void Main(string[] args)
{
var covid19 = new Virus("COVID-19", 15);
covid19.Symptoms.Add("Fever");
covid19.Symptoms.Add("Dry Cough");
covid19.Symptoms.Add("Shortness of breath");
covid19.NumberOfDeathsWorldWide = 7158;
var spanishFlu = new Virus("Spanish Flu", 11);
spanishFlu.Symptoms.Add("Fever");
spanishFlu.Symptoms.Add("Dry Cough");
spanishFlu.NumberOfDeathsWorldWide = 50000000;
var rabies = new Virus("Rabies", 11);
rabies.Symptoms.Add("Excessive salivation");
rabies.Symptoms.Add("Mental confusion");
rabies.NumberOfDeathsWorldWide = 200000;
var viruses = new List <Virus> {
covid19, spanishFlu, rabies
};
foreach (var virus in viruses)
{
Console.WriteLine($"The {virus.Name} has an incubation period of {virus.IncubationDays} and has killed {virus.NumberOfDeathsWorldWide}.");
Console.WriteLine($"It has the following symptoms: {string.Join(", ", virus.Symptoms)}");
}
//// ----------------------------------------------------------------------------------------------------
//// Lists
//// ----------------------------------------------------------------------------------------------------
//var names = new List<string>();
//// Add items one at a time
//names.Add("COVID-19");
//names.Add("Ebola");
//names.Add("Spanish Flu");
//names.Add("SARS");
//names.Add("Rabies");
//names.Add("Stupidity");
//names.Insert(0, "Shebola");
//// Remove items one at a time
//names.Remove("Stupidity"); // remove by name
//names.RemoveAt(0); // remove by index
//// Add multiple at once
//var people = new List<string>{ "Nathan", "Martin", "Randy's kid" }; // collection initializer
//names.AddRange(people);
//// Remove multiple at once
//names.RemoveRange(names.Count - 3, 3);
//foreach (var name in names)
//{
// Console.WriteLine($"current virus name is {name}");
//}
//// ----------------------------------------------------------------------------------------------------
//// Dictionaries
//// ----------------------------------------------------------------------------------------------------
//var symptoms = new Dictionary<string,string>(); // params: type of first entry (key), type of second entry (value)
//// add single item
//symptoms.Add("COVID-19", "Dry cough, fever, shortness of breath");
//symptoms.Add("Ebola", "Fever, headache, muscle pin, and chills");
//symptoms.Add("Spanish Flu", " fever, a dry cough, fatigue and difficulty breathing");
//symptoms.Add("SARS", "Fever, dry cough, headache, muscle aches, and difficulty breathing");
//symptoms.Add("Rabies", "Symptoms include fever, headache, excess salivation, muscle spasms, paralysis, and mental confusion.");
//symptoms.Add("stomach-flu", "nausea, 💩, chills, loss of energy, not actually the flu");
//// cannot have two items with the same key. same value does not matter
//// get single thing
//var CovidSymptoms = symptoms["COVID-19"];
//// remove single item
//symptoms.Remove("stomach-flu");
//// add multiple with collection inititalizer
//var otherDictionary = new Dictionary<string, int> { { "nathan", 33 }, { "martin", 36 }, { "ashley", 34 } };
//foreach (var (virus, symptom) in symptoms) // (key, value)
//{
// Console.WriteLine($"The symptoms of {virus} are {symptom}");
//}
//foreach (var name in names)
//{
// if(symptoms.ContainsKey(name))
// {
// Console.WriteLine($"The symptoms of {name} are {symptoms[name]}");
// }
// else
// {
// Console.WriteLine($"The {name} virus is unknown");
// }
//}
//// ----------------------------------------------------------------------------------------------------
//// Queues/Stacks
//// ----------------------------------------------------------------------------------------------------
//var diseasesToCure = new Queue<string>(); //queues are FIFO
//diseasesToCure.Enqueue("SARS");
//diseasesToCure.Enqueue("COVID-19");
//diseasesToCure.Enqueue("polio");
//diseasesToCure.Dequeue(); // removes first index
//var moreDiseasesToCure = new Stack<string>(); //stacks are LILO
//moreDiseasesToCure.Push("SARS");
//moreDiseasesToCure.Push("COVID-19");
//moreDiseasesToCure.Push("polio");
//moreDiseasesToCure.Pop(); // removes last index
//// ----------------------------------------------------------------------------------------------------
//// Hashset
//// ----------------------------------------------------------------------------------------------------
//var vectors = new HashSet<string>(); // good for comparing data
//vectors.Add("airborne"); // only stores one copy of each entry and ignores duplicate entries
//vectors.Add("airborne");
//vectors.Add("airborne");
//vectors.Add("airborne");
//vectors.Add("airborne");
//vectors.Add("airborne");
//vectors.Add("airborne");
//vectors.Add("droplet");
//vectors.Add("droplet");
//vectors.Add("droplet");
//vectors.Add("droplet");
//vectors.Add("bloodborne");
//vectors.Add("bloodborne");
//vectors.Add("bloodborne");
Console.ReadKey();
}
