aleukhin c9340c12b3 1st com | il y a 7 mois | |
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ConsoleApp1 | il y a 7 mois | |
.gitignore.txt | il y a 7 mois | |
readme.md | il y a 7 mois |
string[] teams = {"колодки", "шатуны", "фильтр", "банка", "подсос"};
var selectedTeams = new List<string>();
foreach(string s in teams)
{
if (s.ToUpper().StartsWith("К"))
selectedTeams.Add(s);
}
selectedTeams.Sort();
foreach (string s in selectedTeams)
Console.WriteLine(s);
вывод:
колодки
string[] teams = {"колодки", "шатуны", "фильтр", "банка", "подвесон"};
var selectedTeams = from t in teams
where t.ToUpper().StartsWith("п")
orderby t
select t;
foreach (string s in selectedTeams)
Console.WriteLine(s);
вывод:
подвесон
string[] teams = {"колодки", "шатуны", "фильтр", "банка", "подвесон", "прокладка"};
var selectedTeams = teams
.Where(t=>t.ToUpper().StartsWith("ф"))
.OrderBy(t => t);
foreach (string s in selectedTeams)
Console.WriteLine(s);
вывод:
фильтр
Process finished with exit code 0.
### 4
using System; List users = new List {
new User {
Name="Миша",
Age=42,
Languages = new List<string> {
"английский", "немецкий" }},
new User {
Name="Михаил",
Age=17,
Languages = new List<string> {
"английский", "французский" }},
new User {
Name="Валерий",
Age=39,
Languages = new List<string> {
"английский", "испанский" }},
};
var selectedUsers = users.Where(u => u.Age > 25);
foreach (User user in selectedUsers)
Console.WriteLine($"{user.Name} - {user.Age}");
public class User {
public string Name { get; set; }
public int Age { get; set; }
public List<string> Languages { get; set; }
}
вывод:
Миша - 42 Валерий - 39
### 5
List users = new List() {
new User { Name = "Петя", Age = 33 },
new User { Name = "Ваня", Age = 21 },
new User { Name = "Вася", Age = 43 }
};
var result = users
.OrderBy(u => u.Name)
.ThenBy(u => u.Age);
foreach (User u in result)
Console.WriteLine($"{u.Name} - {u.Age}");
public class User {
public string Name { get; set; }
public int Age { get; set; }
}
вывод:
Ваня - 21 Вася - 43 Петя - 33 ```