static void Main(string[] args)
{
//int[] array = new int[] { 1, 2, 3, 4 };
//int[][] jagged = { new int[] { 1, 2, 3 }, new int[] { 1 }, new int[] { 5, 5, 5, 5, 5 } };
//int[,] arr =new int[,] { { 1, 2, 3 }, { 4, 5, 6 } };
//int l = arr.GetLength(1);
//Student student = new Student("Ivan Petrov", 25);
//Student student1 = new Student();
//Student student2 = new Student(student);
//Console.WriteLine(student.ToString());
//Console.WriteLine(student1);
//Console.WriteLine(student2);
//Random rnd = new Random();
//int[] arr2 = new int[] { 1, 2, 3, 4 };
//int[] arr3 = new int[arr2.Length];
//Array.Copy(arr2, arr3, arr2.Length);
//arr3[0] = 777;
//Console.WriteLine(arr2[0]);
//Console.WriteLine(arr3[0]);
Student student5 = new Student("Ivan Petrov",24,1600);
Console.WriteLine(student5.AgeInFee());
Console.WriteLine("The first letter of the name is {0}", student5.Firstchar());
Console.WriteLine("Fee: {0}", student5.Fee);
StudentExtension.IncreaseFee(student5, 15);
Console.WriteLine("Fee increased with 15%: {0}", student5.Fee);
Student one = new StudentExt("Georgi", 24, 1600,"Male");
one.Talk();
}
public void Linq2_3Test()
{
Student ivan = new Student("Ivan", "222", Gender.Male);
Student ana = new Student("Ana", "00036", Gender.Female);
Student ante = new Student("Ante", "011111", Gender.Male);
Student prokop = new Student("Prokop", "3333", Gender.Male);
Student zakop = new Student("Zakop", "3333334444", Gender.Male);
Student[] students1 = new Student[]
{
ivan,
ana
};
Student[] students2 = new Student[]
{
ivan,
ante
};
Student[] students3 = new Student[]
{
ana,
prokop
};
Student[] students4 = new Student[]
{
zakop,
prokop
};
University fer = new University("FER", students3);
University ffzg = new University("FFZG", students1);
University tvz = new University("TVZ", students2);
University fkit = new University("FKIT", students4);
University[] universities = new University[]
{
ffzg,
tvz,
fer,
fkit
};
Student[] filtered = HomeworkLinqQueries.Linq2_3(universities);
Student[] expected = new Student[]
{
ivan,
ana,
ante,
zakop,
prokop
};
CollectionAssert.AreEquivalent(expected, filtered);
}
public Student(Student s)
: this(s.Name, s.Age, s.Fee)
{
}
static void Main()
{
string buffer = new string('-', 40);
Console.WriteLine($"{buffer}Problem1.StringBuilder.SubString Extencion{buffer}\r\n");
TestsMethods.StringBuilder();
Console.WriteLine();
Console.WriteLine($"{buffer}Problem2.IEnumerable Extensions{buffer}\r\n");
TestsMethods.IEnumerableInt(new List <int>()
{
2, 1, 5, 3, 4
});
TestsMethods.IenumerableDouble(new List <double>()
{
2.1, 1.5, 5.4, 3.2, 4.8
});
Console.WriteLine();
var students = new Student[]
{
new Student("Pavel", "Angelov", 29, "02/9252525", "*****@*****.**", new List <double>()
{
4, 6, 6, 5, 6
}, new Group(2, "Mathematics")),
new Student("Anton", "Dimitrov", 19, "032/9443322", "*****@*****.**", new List <double>()
{
4, 6
}, new Group(3, "Art")),
new Student("Daniel", "Georgiev", 32, "0719/927", "*****@*****.**", new List <double>()
{
4, 4, 6
}, new Group(1, "Biology")),
new Student("Krasimir", "Angelov", 26, "02/9254422", "*****@*****.**", new List <double>()
{
4, 2, 4, 2, 6
}, new Group(2, "Mathematics")),
new Student("Aleksander", "Ivanov", 33, "0883212121", "*****@*****.**", new List <double>()
{
5, 6
}, new Group(1, "Biology")),
new Student("Kiril", "Petkov", 22, "0897123123", "*****@*****.**", new List <double>()
{
4, 3, 4, 4, 6
}, new Group(3, "Art")),
new Student("Rangel", "Dimitrov", 40, "0888223344", "*****@*****.**", new List <double>()
{
4, 3, 4, 4, 6
}, new Group(2, "Mathematics")),
new Student("Ivan", "Petrov", 36, "0878765432", "*****@*****.**", new List <double>()
{
4, 3, 4, 4, 6
}, new Group(3, "Art")),
new Student("Gospodin", "Kostadinov", 31, "0899112233", "*****@*****.**", new List <double>()
{
4, 3, 4, 4, 6
}, new Group(2, "Mathematics"))
};
Console.WriteLine($"{buffer}Problem 3. First before last{buffer}\r\n");
var selectedByName = TestStudentsWithLINQ.FirstNameBeforeLastName(students);
TestsMethods.IntroduceStudents(selectedByName);
Console.WriteLine();
Console.WriteLine($"{buffer}Problem 4. Age range{buffer}\r\n");
var selectedByAge = TestStudentsWithLINQ.SelectByAge(students, 18, 24);
TestsMethods.IntroduceStudents(selectedByAge);
Console.WriteLine();
Console.WriteLine($"{buffer}Problem 5. Order students{buffer}\r\n");
var sortedByName = TestStudentsWithLambda.LambdaSortedByName(students);
TestsMethods.IntroduceStudents(sortedByName);
Console.WriteLine();
Console.WriteLine($"{buffer}Problem 6. Divisible by 7 and 3{buffer}\r\n");
var numbers = new int[] { 2, 3, 4, 54, 21, 63, 35, 70, 42, 25 };
var divisible = TestsMethods.FindDivisibleBy7And3(numbers);
Console.WriteLine(TestsMethods.CollectionToString(divisible) + "\r\n");
Console.WriteLine($"{buffer}Problem 9. Student groups{buffer}\r\n");
var selectedByGroup = TestStudentsWithLINQ.GetStudentsByGroup(students, 2);
TestsMethods.IntroduceStudents(selectedByGroup);
Console.WriteLine();
Console.WriteLine($"{buffer}Problem 11. Extract students by email{buffer}\r\n");
var selectedByEmail = TestStudentsWithLINQ.GetStudentsByEmail(students, "abv.bg");
TestsMethods.IntroduceStudents(selectedByEmail);
Console.WriteLine();
Console.WriteLine($"{buffer}Problem 12. Extract students by phone{buffer}\r\n");
var selectedByPhone = TestStudentsWithLINQ.GetStudensByZipCode(students, "02/");
TestsMethods.IntroduceStudents(selectedByPhone);
Console.WriteLine();
Console.WriteLine($"{buffer}Problem 13. Extract students by marks{buffer}\r\n");
var selectByMarks =
from student in students
where student.Marks.Contains(6)
select new { FullName = student.FullName, Marks = student.Marks };
foreach (var st in selectByMarks)
{
Console.Write($"Name: {st.FullName}, ");
Console.Write($"Marks: {TestsMethods.CollectionToString(st.Marks)}");
Console.WriteLine();
}
Console.WriteLine();
Console.WriteLine($"{buffer}Problem 14. Extract students by marks{buffer}\r\n");
var studentsWithTwoMarks = TestStudentsWithLambda.ExtractByNumberOfMarks(students, 2);
TestsMethods.IntroduceStudents(studentsWithTwoMarks);
Console.WriteLine();
Console.WriteLine($"{buffer}Problem 16.* Groups{buffer}\r\n");
var studentsByDeptName = TestStudentsWithLambda.ExtractStudentsByDepartName(students, "Mathematics");
Console.WriteLine(studentsByDeptName);
Console.WriteLine($"{buffer}Problem 17. Longest string{buffer}\r\n");
var text = "By using delegates, develop an universal static method.";
Console.WriteLine(TestsMethods.LongestString(text + "\r\n"));
Console.WriteLine($"{buffer}Problem 18. Grouped by GroupNumber{buffer}\r\n");
TestStudentsWithLINQ.GroupByGroupNumber(students);
Console.WriteLine();
Console.WriteLine($"{buffer}Problem 19. Grouped by GroupName extensions{buffer}\r\n");
TestStudentsWithLINQ.GroupByGroupName(students);
Console.WriteLine();
}