static void Main(string[] args)
{
Student s1 = new Student("Andrew", "Troelsen", 25);
Student s2 = new Student("Alex", "Lafrok", 18);
Student s3 = new Student("Anna", "Jordan", 20);
Student s4 = new Student("Inna", "Gizmos", 15);
Student s5 = new Student("Kate", "Sven", 29);
Student s6 = new Student("John", "Maxfil", 19);
Student s7 = new Student("Max", "Volterin", 33);
Student s8 = new Student("Shone", "Zumberg", 23);
Student s9 = new Student("Martin", "Lalakopt", 27);
Student s10 = new Student("Bill", "Canbeam", 17);
List <Student> students = new List <Student>()
{
s1, s2, s3, s4, s5, s6, s7, s8, s9, s10
};
StudentPredicateDelegate myDelegate = Student.isFirstName;
myDelegate += Student.isLastName;
myDelegate += Student.isAge;
List <Student> task8 = students.FindStudent(myDelegate);
Console.WriteLine("task 8:");
task8.ShowOnScreen();
List <Student> task9 = students.FindStudent(
new StudentPredicateDelegate(
student => student.Age >= 18 && student.FirstName[0] == 'A' && student.LastName.Length > 3
));
Console.WriteLine("task 9:");
task9.ShowOnScreen();
List <Student> task10 = students.FindStudent(
new StudentPredicateDelegate(
student => student.Age >= 20 && 25 >= student.Age
));
Console.WriteLine("task 10:");
task10.ShowOnScreen();
List <Student> task11 = students.FindStudent(
new StudentPredicateDelegate(
student => student.FirstName == "Andrew"
));
Console.WriteLine("task 11:");
task11.ShowOnScreen();
List <Student> task12 = students.FindStudent(
new StudentPredicateDelegate(
student => student.LastName == "Troelsen"
));
Console.WriteLine("task 11:");
task12.ShowOnScreen();
}
static void Main(string[] args)
{
List <Student> Student_List = new List <Student>();
List <Student> Result_List = new List <Student>();
Student_List.Add(new Student("Vania", "Petrenko", 17));
Student_List.Add(new Student("Kiril", "Danilenko", 19));
Student_List.Add(new Student("Vadim", "Petruk", 18));
Student_List.Add(new Student("Anna", "Klimenuk", 18));
Student_List.Add(new Student("Andrew", "Petrath", 16));
Student_List.Add(new Student("Ilia", "Makosiy", 17));
Student_List.Add(new Student("Vasia", "Petrovich", 16));
Student_List.Add(new Student("Anton", "Berezeckiy", 20));
Student_List.Add(new Student("Yaroslav", "Troeslen", 25));
Student_List.Add(new Student("Yaroslav", "Tarasenko", 25));
Student_List.Add(new Student("Petro", "Bojko", 25));
StudentPredicateDelegate check = Student.Check_Last_Name;
Result_List = Student_List.FindStudent(check);
Result_List.Show_List();
check = Student.Check_First_Name;
Result_List = Student_List.FindStudent(check);
Result_List.Show_List();
check = Student.Check_Age;
Result_List = Student_List.FindStudent(check);
Result_List.Show_List();
check = (s) => s.Age >= 18;
Result_List = Student_List.FindStudent(check);
Result_List.Show_List();
check = (s) => s.FirstName[0] == 'A';
Result_List = Student_List.FindStudent(check);
Result_List.Show_List();
check = (s) => s.LastName.Length > 3;
Result_List = Student_List.FindStudent(check);
Result_List.Show_List();
check = (s) => s.Age > 20 && s.Age <= 25;
Result_List = Student_List.FindStudent(check);
Result_List.Show_List();
check = (s) => s.FirstName == "Andrew";
Result_List = Student_List.FindStudent(check);
Result_List.Show_List();
check = (s) => s.LastName == "Troeslen";
Result_List = Student_List.FindStudent(check);
Result_List.Show_List();
}
static void Main(string[] args)
{
List <Student> group = new List <Student>();
group.Add(new Student("Axel", "Troelsen", 16));
group.Add(new Student("Kira", "Noy", 18));
group.Add(new Student("Sergey", "Bekov", 21));
group.Add(new Student("Yana", "Zol", 15));
group.Add(new Student("Dan", "Kekoranikadze", 14));
group.Add(new Student("Andrew", "Temin", 13));
group.Add(new Student("Anton", "Yamen", 20));
group.Add(new Student("Anya", "Hik", 24));
group.Add(new Student("ARA", "Kove", 34));
group.Add(new Student("Sidr", "Love", 17));
StudentPredicateDelegate Find = Student.IsAdult;
Find += Student.IsFirstNameA;
Find += Student.IsLastNamelong;
foreach (Student el in group.FindStudent(Find))
{
Student.Info(el);
}
Console.WriteLine("\n");
StudentPredicateDelegate FindAndrew = (Student person) => (person.FirstName == "Andrew");
foreach (Student el in group.FindStudent(FindAndrew))
{
Student.Info(el);
}
Console.WriteLine("\n");
StudentPredicateDelegate FindTwenty = (Student person) => (person.Age >= 20 && person.Age <= 25);
foreach (Student el in group.FindStudent(FindTwenty))
{
Student.Info(el);
}
Console.WriteLine("\n");
StudentPredicateDelegate FindTroelsen = (Student person) => (person.LastName == "Troelsen");
foreach (Student el in group.FindStudent(FindTroelsen))
{
Student.Info(el);
}
Console.WriteLine("\n");
Console.Read();
}
public static List <Student> FindStudent(this List <Student> list, StudentPredicateDelegate studentPredicateDelegate)
{
List <Student> Result = new List <Student>();
foreach (Student student in list)
{
if (studentPredicateDelegate.Invoke(student))
{
Result.Add(student);
}
}
return(Result);
}
public static List <Student> FindStudent(this List <Student> students, StudentPredicateDelegate studentPredicateDelegate)
{
List <Student> temp = new List <Student>();
foreach (Student student in students)
{
if (studentPredicateDelegate.Invoke(student))
{
temp.Add(student);
}
}
return(temp);
}
public static List <Student> FindStudent(this List <Student> students, StudentPredicateDelegate Check_Student)
{
List <Student> result = new List <Student>();
foreach (Student l in students)
{
if (Check_Student(l))
{
result.Add(l);
}
}
return(result);
}
public static List <Student> FindStudent(Student student, StudentPredicateDelegate studentPredicateDelegate)
{
List <Student> students = new List <Student>();
bool temp = studentPredicateDelegate(student);
if (temp)
{
students.Add(student);
}
return(students);
}
public static List <Student> Find_student(this List <Student> list, StudentPredicateDelegate something)
{
List <Student> Listik = new List <Student>();
foreach (Student el in list)
{
if (something.Invoke(el))
{
Listik.Add(el);
}
}
return(Listik);
}
public static List <Student> FindStudent(this List <Student> list, StudentPredicateDelegate delegats)
{
List <Student> List = new List <Student>();
foreach (Student i in list)
{
if (delegats.Invoke(i))
{
List.Add(i);
}
}
return(List);
}
public static List <Student> FindStudent(this List <Student> student, StudentPredicateDelegate studentDelegate)
{
List <Student> newStudentList = new List <Student>();
for (int i = 0; i < 10; i++)
{
if (studentDelegate(student[i]))
{
newStudentList.Add(student[i]);
}
}
return(newStudentList);
}
public static List <Student> FindStudent(this List <Student> list, StudentPredicateDelegate spd)
{
List <Student> reqList = new List <Student>();
foreach (Student st in list)
{
if (spd.Invoke(st))
{
reqList.Add(st);
}
}
return(reqList);
}
public static List <Student> FindStudent(this List <Student> students, StudentPredicateDelegate studentPredicate)
{
var newStudents = new List <Student>();
foreach (var student in students)
{
if (studentPredicate(student))
{
newStudents.Add(student);
}
}
return(newStudents);
}
public static List <Student> FindStudent(this List <Student> students, StudentPredicateDelegate @delegate)
{
List <Student> result = new List <Student>();
foreach (Student st in students)
{
if (@delegate.Invoke(st))
{
result.Add(st);
}
}
return(result);
}
// 5
public static List <Student> FindStudent(this List <Student> List, StudentPredicateDelegate del)
{
// 6
List <Student> temp = new List <Student>();
foreach (Student i in List)
{
if (del(i))
{
temp.Add(i);
}
}
return(temp);
}
public static List <Student> FindStudent(this List <Student> students, StudentPredicateDelegate studentPredicateDelegate)
{
//StudentPredicateDelegate del1 = Student.AgeMore18;
//StudentPredicateDelegate del2 = Student.IsFirstLetterA;
//StudentPredicateDelegate del3 = Student.IsLastNameMoreThanThreeSymbols;
List <Student> sortList = new List <Student>();
for (int i = 0; i < students.Count; i++)
{
if (studentPredicateDelegate(students[i]))
{
sortList.Add(students[i]);
}
}
return(sortList);
}
public static List <Student> FindStudent(this List <Student> InStudents, StudentPredicateDelegate Pred)
{
if (InStudents.Count > 0)
{
List <Student> OutStudents = new List <Student>();
for (int i = 0; i < InStudents.Count; ++i)
{
if (Pred != null && Pred.Invoke(InStudents[i]))
{
OutStudents.Add(InStudents[i]);
}
}
return(OutStudents);
}
return(null);
}
public static List <Student> FindStudent(this List <Student> listSt)
{
StudentPredicateDelegate sDeleg1 = Student.Adult;
StudentPredicateDelegate sDeleg2 = Student.Name;
StudentPredicateDelegate sDeleg3 = Student.NameLength;
List <Student> sortListSt = new List <Student>();
for (int i = 0; i < listSt.Count; i++)
{
if (sDeleg1(listSt[i]) && sDeleg2(listSt[i]) && sDeleg3(listSt[i]))
{
sortListSt.Add(listSt[i]);
}
}
return(sortListSt);
}
public static List <Student> FindStudent(this List <Student> listStud)
{
StudentPredicateDelegate Stud_Deleg_1 = Student.Age_Value;
StudentPredicateDelegate Stud_Deleg_2 = Student.FirstName_Value;
StudentPredicateDelegate Stud_Deleg_3 = Student.LastName_Value;
List <Student> Sort_List_Stud = new List <Student>();
for (int i = 0; i < listStud.Count; i++)
{
if (Stud_Deleg_1(listStud[i]) && Stud_Deleg_2(listStud[i]) && Stud_Deleg_3(listStud[i]))
{
Sort_List_Stud.Add(listStud[i]);
}
}
return(Sort_List_Stud);
}
public static List <Student> FindStudent(this List <Student> listSt)
{
StudentPredicateDelegate sDeleg1 = Student.AgeCheck;
StudentPredicateDelegate sDeleg2 = Student.FirstNameCheck;
StudentPredicateDelegate sDeleg3 = Student.LastNameCheck;
List <Student> sortListSt = new List <Student>();
for (int i = 0; i < listSt.Count; i++)
{
if (sDeleg1(listSt[i]) && sDeleg2(listSt[i]) && sDeleg3(listSt[i]))
{
sortListSt.Add(listSt[i]);
}
//sortListSt.Add(sDeleg1(listSt[i])? listSt[i]:null);
}
return(sortListSt);
}
public static List <Student> FindStudent(this List <Student> list, StudentPredicateDelegate requirementlist)
{
List <Student> newlist = new List <Student>();
foreach (Student person in list)
{
bool check = true;
foreach (StudentPredicateDelegate req in requirementlist.GetInvocationList())
{
check = req(person) && check;
}
if (check)
{
newlist.Add(person);
}
}
return(newlist);
}
public static List <CharacteristicStudent> FindStudent(this List <CharacteristicStudent> students, StudentPredicateDelegate studentGroup)
{
List <CharacteristicStudent> studentsResult = new List <CharacteristicStudent>();
foreach (CharacteristicStudent student in students)
{
if (studentGroup.Invoke(student))
{
studentsResult.Add(student);
}
}
return(studentsResult);
}
static void Main(string[] args)
{
// 7
List <Student> Students = new List <Student>();
Student num1 = new Student("Anthony", "Hopkins", 82);
Student num2 = new Student("Andrew", "Garfield", 37);
Student num3 = new Student("Scarlett", "Johansson", 36);
Student num4 = new Student("Robert", "Downey", 55);
Student num5 = new Student("Anya", "Taylor-Joy", 24);
Student num6 = new Student("Chris", "Hemsworth", 37);
Student num7 = new Student("Bruce", "Lee", 80);
Student num8 = new Student("Sophia ", "Lillis", 16);
Student num9 = new Student("Andrew", "Lloyd Webber", 72);
Student num10 = new Student("Julian", "Dennison", 15);
Students.Add(num1);
Students.Add(num2);
Students.Add(num3);
Students.Add(num4);
Students.Add(num5);
Students.Add(num6);
Students.Add(num7);
Students.Add(num8);
Students.Add(num9);
Students.Add(num10);
// 8
StudentPredicateDelegate age = Student.Adult;
List <Student> newListOfStudents = Students.FindStudent(age);
Console.WriteLine("Added adult students:\n");
if (newListOfStudents.Count == 0)
{
Console.WriteLine("\tNot found!\n");
}
else
{
foreach (Student i in newListOfStudents)
{
i.StudentInfo();
}
newListOfStudents.Clear();
Console.WriteLine();
}
// 8
StudentPredicateDelegate name = Student.AisFirstLetterOfFirstName;
newListOfStudents = Students.FindStudent(name);
Console.WriteLine("Added students with A as a first letter of their name:\n");
if (newListOfStudents.Count == 0)
{
Console.WriteLine("\tNot found!\n");
}
else
{
foreach (Student i in newListOfStudents)
{
i.StudentInfo();
}
newListOfStudents.Clear();
Console.WriteLine();
}
// 8
StudentPredicateDelegate surname = Student.MoreThan3LettersInLastName;
newListOfStudents = Students.FindStudent(surname);
Console.WriteLine("Добавлены ученики, у которых в фамилии больше трех букв:\n");
if (newListOfStudents.Count == 0)
{
Console.WriteLine("\tТаких нет!\n");
}
else
{
foreach (Student i in newListOfStudents)
{
i.StudentInfo();
}
newListOfStudents.Clear();
}
Console.WriteLine("\n\t---To see task with anonymous functions press any key---");
Console.ReadKey();
Console.Clear();
// 9
StudentPredicateDelegate2 age2 = delegate(List <Student> List)
{
List <Student> temp = new List <Student>();
foreach (Student i in List)
{
if (Student.Adult(i))
{
temp.Add(i);
}
}
return(temp);
};
newListOfStudents = age2(Students);
Console.WriteLine("Добавлены ученики, анонимными функциями:\n");
if (newListOfStudents.Count == 0)
{
Console.WriteLine("\tТаких нет!\n");
}
else
{
foreach (Student i in newListOfStudents)
{
i.StudentInfo();
}
newListOfStudents.Clear();
Console.WriteLine();
}
// 9
StudentPredicateDelegate2 name2 = delegate(List <Student> List)
{
List <Student> temp = new List <Student>();
foreach (Student i in List)
{
if (Student.AisFirstLetterOfFirstName(i))
{
temp.Add(i);
}
}
return(temp);
};
newListOfStudents = name2(Students);
Console.WriteLine("Добавлены ученики,первая буква имени начинается на А, анонимные функции:\n");
if (newListOfStudents.Count == 0)
{
Console.WriteLine("\tТаких нет!\n");
}
else
{
foreach (Student i in newListOfStudents)
{
i.StudentInfo();
}
newListOfStudents.Clear();
Console.WriteLine();
}
//TASK 9
StudentPredicateDelegate2 surname2 = delegate(List <Student> List)
{
List <Student> temp = new List <Student>();
foreach (Student i in List)
{
if (Student.MoreThan3LettersInLastName(i))
{
temp.Add(i);
}
}
return(temp);
};
newListOfStudents = surname2(Students);
Console.WriteLine("Добавлены ученики, у которых в фамилии больше трех букв, анонимные функции:\n");
if (newListOfStudents.Count == 0)
{
Console.WriteLine("\tТаких нет!\n");
}
else
{
foreach (Student i in newListOfStudents)
{
i.StudentInfo();
}
newListOfStudents.Clear();
Console.WriteLine();
}
//TASK 10
StudentPredicateDelegate2 age20_25 = delegate(List <Student> List)
{
List <Student> temp = new List <Student>();
foreach (Student i in List)
{
if (i.Age >= 20 && i.Age <= 25)
{
temp.Add(i);
}
}
return(temp);
};
newListOfStudents = age20_25(Students);
Console.WriteLine("Добавлены ученики возрастом от 20 до 25:\n");
if (newListOfStudents.Count == 0)
{
Console.WriteLine("\tТаких нет!\n");
}
else
{
foreach (Student i in newListOfStudents)
{
i.StudentInfo();
}
newListOfStudents.Clear();
Console.WriteLine();
}
// 11
StudentPredicateDelegate2 nameAndrew = delegate(List <Student> List)
{
List <Student> temp = new List <Student>();
foreach (Student i in List)
{
if (i.FirstName == "Andrew")
{
temp.Add(i);
}
}
return(temp);
};
newListOfStudents = nameAndrew(Students);
Console.WriteLine("Добавлен ученик с именем Andrew:\n");
if (newListOfStudents.Count == 0)
{
Console.WriteLine("\tТаких нет!\n");
}
else
{
foreach (Student i in newListOfStudents)
{
i.StudentInfo();
}
newListOfStudents.Clear();
Console.WriteLine();
}
// 12
StudentPredicateDelegate2 surnameTroelsen = delegate(List <Student> List)
{
List <Student> temp = new List <Student>();
foreach (Student i in List)
{
if (i.LastName == "Troelsen")
{
temp.Add(i);
}
}
return(temp);
};
newListOfStudents = surnameTroelsen(Students);
Console.WriteLine("Добавлен ученик с фамилией Troelsen:\n");
if (newListOfStudents.Count == 0)
{
Console.WriteLine("\tТаких нет!\n");
}
else
{
foreach (Student i in newListOfStudents)
{
i.StudentInfo();
}
newListOfStudents.Clear();
Console.WriteLine();
}
Console.ReadLine();
}
static void Main()
{
List <Student> myStudents = new List <Student>();
// 7
myStudents.Add(new Student("Буряк", "Роман", 33));
myStudents.Add(new Student("Вероівська", "Анастасія", 18));
myStudents.Add(new Student("Гаврилюк", "Валерій", 15));
myStudents.Add(new Student("Гень", "Олександр", 50));
myStudents.Add(new Student("Дзененко", "Владислав", 56));
myStudents.Add(new Student("Євтаєв", "Ярослав", 70));
myStudents.Add(new Student("Зозуля", "Роман", 23));
myStudents.Add(new Student("Івлєв", "Ростислав", 30));
myStudents.Add(new Student("Карнацький", "Станіслав", 47));
myStudents.Add(new Student("Коваль", "Дмитро", 40));
myStudents.Add(new Student("Troelsen", "Дмитро", 40));
myStudents.Add(new Student("Коваль", "Andrew", 40));
// 8
List <Student> myStudents2 = new List <Student>();
myStudents2 = Extension.FindStudent(myStudents, Student.AgeMore18);
Console.WriteLine(myStudents2.Count);
myStudents2 = Extension.FindStudent(myStudents, Student.IsFirstLetterA);
Console.WriteLine(myStudents2.Count);
myStudents2 = Extension.FindStudent(myStudents, Student.IsLastNameMoreThanThreeSymbols);
Console.WriteLine(myStudents2.Count);
Console.WriteLine();
// 9
StudentPredicateDelegate del1 = Student.AgeMore18;
StudentPredicateDelegate del2 = Student.IsFirstLetterA;
StudentPredicateDelegate del3 = Student.IsLastNameMoreThanThreeSymbols;
StudentPredicateDelegate del = del1 + del2 + del3;
myStudents2 = Extension.FindStudent(myStudents, del);
Console.WriteLine(myStudents2.Count);
Console.WriteLine();
// лямбда методы
// 10
StudentPredicateDelegate del4 = delegate(Student student) { return(student.Age >= 20 && student.Age <= 25 ? true : false); };
myStudents2 = Extension.FindStudent(myStudents, del4);
Console.WriteLine(myStudents2.Count);
Console.WriteLine();
// 11
StudentPredicateDelegate del5 = delegate(Student student) { return(student.FirstName == "Andrew" ? true : false); };
myStudents2 = Extension.FindStudent(myStudents, del5);
Console.WriteLine(myStudents2.Count);
Console.WriteLine();
// 12
StudentPredicateDelegate del6 = delegate(Student student) { return(student.LastName == "Troelsen" ? true : false); };
myStudents2 = Extension.FindStudent(myStudents, del6);
Console.WriteLine(myStudents2.Count);
Console.WriteLine();
// лямбда выражения
// 10
StudentPredicateDelegate del7 = (Student student) => (student.Age >= 20 && student.Age <= 25 ? true : false);
myStudents2 = Extension.FindStudent(myStudents, del7);
Console.WriteLine(myStudents2.Count);
Console.WriteLine();
// 11
StudentPredicateDelegate del8 = (Student student) => (student.FirstName == "Andrew" ? true : false);
myStudents2 = Extension.FindStudent(myStudents, del8);
Console.WriteLine(myStudents2.Count);
Console.WriteLine();
// 12
StudentPredicateDelegate del9 = (Student student) => (student.LastName == "Troelsen" ? true : false);
myStudents2 = Extension.FindStudent(myStudents, del9);
Console.WriteLine(myStudents2.Count);
Console.WriteLine();
Console.ReadKey();
}
static void Main(string[] args)
{
/*
** Part 1
*/
Product CreatedOne = new Product();
ProductLine Line = new ProductLine();
CreatedOne.ShowProgress();
ProductLineDelegate WorkToProceed = null;
MethodInfo[] methodInfos = Type.GetType("Lab11.ProductLine").GetMethods(BindingFlags.Public | BindingFlags.Instance);
for (int i = 0; i < methodInfos.Length; ++i)
{
if (methodInfos[i].GetParameters().Length == 1 && (methodInfos[i].GetParameters()[0].ParameterType.FullName == "Lab11.Product&"))
{
ProductLineDelegate TempDelegate = (ProductLineDelegate)Delegate.CreateDelegate(typeof(ProductLineDelegate), Line, methodInfos[i]);
if (WorkToProceed != null)
{
WorkToProceed += (ProductLineDelegate)TempDelegate;
}
else
{
WorkToProceed = new ProductLineDelegate(TempDelegate);
}
}
}
WorkToProceed?.Invoke(ref CreatedOne);
CreatedOne.ShowProgress();
/*
** Part 2
*/
List <Student> Students = new List <Student>();
Students.Add(new Student {
FirstName = "asadsad", LastName = "Asdadb", Age = 18
});
Students.Add(new Student {
FirstName = "sdsadsab", LastName = "Adsac", Age = 28
});
Students.Add(new Student {
FirstName = "cdsada", LastName = "ssd", Age = 83
});
Students.Add(new Student {
FirstName = "dds", LastName = "e", Age = 48
});
Students.Add(new Student {
FirstName = "sssse", LastName = "sf", Age = 5
});
Students.Add(new Student {
FirstName = "Addf", LastName = "g", Age = 6
});
Students.Add(new Student {
FirstName = "Adsag", LastName = "h", Age = 78
});
Students.Add(new Student {
FirstName = "ssh", LastName = "iddd", Age = 88
});
Students.Add(new Student {
FirstName = "sdi", LastName = "j", Age = 9
});
Students.Add(new Student {
FirstName = "ssj", LastName = "k", Age = 10
});
StudentPredicateDelegate CheckName = (StudentPredicateDelegate)Delegate.CreateDelegate(typeof(StudentPredicateDelegate), typeof(Student), "CheckFirstName");
StudentPredicateDelegate CheckLastName = (StudentPredicateDelegate)Delegate.CreateDelegate(typeof(StudentPredicateDelegate), typeof(Student), "CheckLastName");
StudentPredicateDelegate CheckAge = (StudentPredicateDelegate)Delegate.CreateDelegate(typeof(StudentPredicateDelegate), typeof(Student), "CheckAge");
PrintList(Students.FindStudent(CheckName));
Console.WriteLine();
PrintList(Students.FindStudent(CheckLastName));
Console.WriteLine();
PrintList(Students.FindStudent(CheckAge));
Console.WriteLine();
Console.WriteLine();
PrintList(Students.FindStudent(Stud => (Stud.FirstName.Length > 0 && Stud.FirstName[0] == 'A')));
Console.WriteLine();
PrintList(Students.FindStudent(Stud => Stud.LastName.Length > 3));
Console.WriteLine();
PrintList(Students.FindStudent(Stud => Stud.Age >= 18));
Console.WriteLine();
Console.WriteLine();
PrintList(Students.FindStudent(Stud => Stud.Age >= 20 && Stud.Age <= 25));
Console.WriteLine();
PrintList(Students.FindStudent(Stud => Stud.FirstName == "Andrew"));
Console.WriteLine();
PrintList(Students.FindStudent(Stud => Stud.LastName == "Troelsen"));
Console.WriteLine();
Console.Read();
}
static void Main()
{
List <Student> students = new List <Student>()
{
new Student()
{
Age = 18, FirstName = "Artem", LastName = "Matviichuk"
},
new Student()
{
Age = 19, FirstName = "Vitaliy", LastName = "Rudenko"
},
new Student()
{
Age = 20, FirstName = "Oleksiy", LastName = "Luppa"
},
new Student()
{
Age = 44, FirstName = "Ivan", LastName = "Sobko"
},
new Student()
{
Age = 17, FirstName = "Yaroslav", LastName = "Pozniak"
},
new Student()
{
Age = 16, FirstName = "Vadim", LastName = "Derkach"
},
new Student()
{
Age = 21, FirstName = "Oleksandr", LastName = "Savchuk"
},
new Student()
{
Age = 18, FirstName = "Artur", LastName = "Savchuk"
},
new Student()
{
Age = 19, FirstName = "Vladislav", LastName = "Dryga"
},
new Student()
{
Age = 13, FirstName = "Mykyta", LastName = "Nazarenko"
}
};
StudentPredicateDelegate myDelegate = Student.IsFirstName;
myDelegate += Student.IsLastName;
myDelegate += Student.IsAge;
List <Student> result8 = students.FindStudent(myDelegate);
Console.WriteLine("Result8:");
result8.ShowOnScreen();
List <Student> result9 = students.FindStudent(
new StudentPredicateDelegate(
student => student.Age >= 18 && student.FirstName[0] == 'A' && student.LastName.Length > 3
));
Console.WriteLine("Result9:");
result9.ShowOnScreen();
List <Student> result10 = students.FindStudent(
new StudentPredicateDelegate(
student => student.Age >= 20 && 25 >= student.Age
));
Console.WriteLine("Result10:");
result10.ShowOnScreen();
List <Student> result11 = students.FindStudent(
new StudentPredicateDelegate(
student => student.FirstName == "Andrew"
));
Console.WriteLine("Result11:");
result11.ShowOnScreen();
List <Student> result12 = students.FindStudent(
new StudentPredicateDelegate(
student => student.LastName == "Troelsen"
));
Console.WriteLine("Result11:");
result12.ShowOnScreen();
Console.ReadKey();
}
