static void Main(string[] args)
{
List <string> list = new List <string>();
list.Add("Maria");
list.Add("Alex");
list.Add("Bob");
list.Add("Anna");
list.Add("Jacob");
list.Add("Sarah");
list.Insert(2, "Marco");
Console.WriteLine("List Foreach: ");
foreach (string obj in list)
{
Console.WriteLine(obj);
}
Console.WriteLine("\nList Count: " + list.Count);
string search1 = list.Find(x => x[0] == 'A');
Console.WriteLine("\nFirst 'A': " + search1);
string search2 = list.FindLast(x => x[0] == 'A');
Console.WriteLine("\nLast 'A': " + search2);
int position1 = list.FindIndex(x => x[0] == 'A');
Console.WriteLine("\nFirst position: " + position1);
int position2 = list.FindLastIndex(x => x[0] == 'A');
Console.WriteLine("\nLast position: " + position2);
Console.WriteLine("\nFind All: ");
List <string> list2 = list.FindAll(x => x.Length == 5);
foreach (string obj in list2)
{
Console.WriteLine(obj);
}
Console.WriteLine("\nList Remove: ");
list.Remove("Alex");
foreach (string obj in list)
{
Console.WriteLine(obj);
}
Console.WriteLine("\nList Remove At: ");
list.RemoveAt(3);
foreach (string obj in list)
{
Console.WriteLine(obj);
}
Console.WriteLine("\nList Remove Range: ");
list.RemoveRange(2, 1);
foreach (string obj in list)
{
Console.WriteLine(obj);
}
Console.WriteLine("\nList Remove At: ");
list.RemoveAt(0);
foreach (string obj in list)
{
Console.WriteLine(obj);
}
Console.WriteLine("\nList Remove All: ");
list.RemoveAll(x => x[0] == 'M');
foreach (string obj in list)
{
Console.WriteLine(obj);
}
}
public static void Main()
{
Customer customer1 = new Customer()
{
ID = 101,
Name = "Mark",
Salary = 4000
};
Customer customer2 = new Customer()
{
ID = 102,
Name = "Pam",
Salary = 7000
};
Customer customer3 = new Customer()
{
ID = 104,
Name = "Rob",
Salary = 5500
};
Customer[] arrayCustomers = new Customer[3];
arrayCustomers[0] = customer1;
arrayCustomers[1] = customer2;
arrayCustomers[2] = customer3;
List <Customer> listCustomers = arrayCustomers.ToList();
foreach (Customer c in listCustomers)
{
Console.WriteLine("ID = {0}, Name = {1}, Salary = {2}", c.ID, c.Name, c.Salary);
}
Console.WriteLine("------------------------------------------------------");
Customer[] arrayAllCustomers = listCustomers.ToArray();
foreach (Customer c in arrayAllCustomers)
{
Console.WriteLine("ID = {0}, Name = {1}, Salary = {2}", c.ID, c.Name, c.Salary);
}
Console.WriteLine("------------------------------------------------------");
Dictionary <int, Customer> dictionaryCustomers = listCustomers.ToDictionary(x => x.ID);
foreach (KeyValuePair <int, Customer> keyValuePairCustomers in dictionaryCustomers)
{
Console.WriteLine("Key = {0}", keyValuePairCustomers.Key);
Customer c = keyValuePairCustomers.Value;
Console.WriteLine("ID = {0}, Name = {1}, Salary = {2}", c.ID, c.Name, c.Salary);
}
Console.WriteLine("------------------------------------------------------");
if (listCustomers.Contains(customer2))
{
Console.WriteLine("Customer2 object exists in the list");
}
else
{
Console.WriteLine("Customer2 object does not exist in the list");
}
Console.WriteLine("------------------------------------------------------");
if (listCustomers.Exists(x => x.Name.StartsWith("M")))
{
Console.WriteLine("List contains customer whose name starts with M");
}
else
{
Console.WriteLine("List does not contain a customer whose name starts with M");
}
Console.WriteLine("------------------------------------------------------");
Customer cust = listCustomers.Find(customer => customer.Salary > 5000);
Console.WriteLine("ID = {0}, Name = {1}, Salary = {2}", cust.ID, cust.Name, cust.Salary);
Console.WriteLine("------------------------------------------------------");
Customer lastMatch = listCustomers.FindLast(customer => customer.Salary > 5000);
Console.WriteLine("ID = {0}, Name = {1}, Salary = {2}", lastMatch.ID, lastMatch.Name, lastMatch.Salary);
Console.WriteLine("------------------------------------------------------");
List <Customer> filteredCustomers = listCustomers.FindAll(customer => customer.Salary > 5000);
foreach (Customer cstmr in filteredCustomers)
{
Console.WriteLine("ID = {0}, Name = {1}, Salary = {2}", cstmr.ID, cstmr.Name, cstmr.Salary);
}
Console.WriteLine("------------------------------------------------------");
Console.WriteLine("Index of the first matching customer object whose salary is greater 5000 =" +
listCustomers.FindIndex(customer => customer.Salary > 5000));
Console.WriteLine("------------------------------------------------------");
Console.WriteLine("Index of the Last matching customer object whose salary is greater 5000 = " +
listCustomers.FindLastIndex(customer => customer.Salary > 5000));
Console.WriteLine("------------------------------------------------------");
}
static void Main(string[] args)
{
//Exemplos:
List <string> ex = new List <string>();
List <string> ex2 = new List <string> {
"Igor", "Fran", "João"
};
//---------------------------------------------------------------
List <string> list = new List <string>();
list.Add("Maria"); //Add
list.Add("Alex");
list.Add("Bob");
list.Add("Anna");
list.Insert(2, "Marco"); //Insert
list.Add("Igor");
list.Add("Vergo");
list.Add("Luffy");
foreach (string obj in list)
{
Console.WriteLine(obj);
}
Console.WriteLine("List Count: " + list.Count); //Count
string s1 = list.Find(x => x[0] == 'A'); //Finds
Console.WriteLine("First beginning with A: " + s1);
string s2 = list.FindLast(x => x[0] == 'A');
Console.WriteLine("Last beginning with A: " + s2);
int pos1 = list.FindIndex(x => x[0] == 'A');
Console.WriteLine("First position name beginning with A: " + pos1);
int pos2 = list.FindLastIndex(x => x[0] == 'A');
Console.WriteLine("Last position name beginning with A: " + pos2);
Console.WriteLine("-------------------------------");
List <string> list2 = list.FindAll(x => x.Length == 5);
foreach (string obj in list2)
{
Console.WriteLine(obj);
}
Console.WriteLine("-------------------------------");
list.Remove("Marco"); //Removes
foreach (string obj in list)
{
Console.WriteLine(obj);
}
Console.WriteLine("-------------------------------");
list.RemoveAll(x => x[0] == 'M');
foreach (string obj in list)
{
Console.WriteLine(obj);
}
Console.WriteLine("-------------------------------");
list.RemoveAt(1);
foreach (string obj in list)
{
Console.WriteLine(obj);
}
Console.WriteLine("-------------------------------");
list.RemoveRange(2, 2);
foreach (string obj in list)
{
Console.WriteLine(obj);
}
}
