Exemple #1
0
        static void Main(string[] args)
        {
            Student[] students = new Student[]
            {
                new Student("Filip", "Todorov", 22),
                new Student("Emil", "Stefanov", 19),
                new Student("Filip", "Kostadinov", 18),
                new Student("Vasil", "Ivanov", 24),
                new Student("Georgi", "Nikolov", 21),
                new Student("Petur", "Petrov", 27),
                new Student("Daniel", "Danailov", 17)
            };

            var sorterWithLambda = students.
                OrderByDescending(student => student.FirstName).
                ThenByDescending(student => student.LastName);

            foreach (Student student in sorterWithLambda)
            {
                Console.WriteLine(student);
            }

            Console.Write("\n");

            var sortedWithLinq =
                from student in students
                orderby student.FirstName descending, student.LastName descending
                select student;

            foreach (Student student in sortedWithLinq)
            {
                Console.WriteLine(student);
            }
        }
Exemple #2
0
        static IEnumerable<Student> FirstNameBeforeLast(Student[] students)
        {
            IEnumerable<Student> result =
                from student in students
                where student.FirstName.CompareTo(student.LastName) == -1
                select student;

            return result;
        }
Exemple #3
0
        static void Main(string[] args)
        {
            Student[] students = new Student[]
            {
                new Student("Filip", "Todorov", 22),
                new Student("Emil", "Stefanov", 19),
                new Student("Vasil", "Ivanov", 24),
                new Student("Georgi", "Nikolov", 21)
            };

            IEnumerable<Student> result = FirstNameBeforeLast(students);
            foreach (Student student in result)
            {
                Console.WriteLine(student);
            }
        }
Exemple #4
0
        static void Main()
        {
            Student student = new Student("Pesho", "Peshov", "Peshonkov", 
                "ul. Krakra bl 20 ap 9", "0886004158", "Course", "8707133807",
                "*****@*****.**", Specialty.Informatics, University.NBU,
                Faculty.Mathematics);

            Student newStudent = student.Clone();

            Console.WriteLine(student.CompareTo(newStudent));
            Console.WriteLine(student == newStudent);

            newStudent.LastName = "Ivanov";

            Console.WriteLine(student.CompareTo(newStudent));
            Console.WriteLine(student != newStudent);

            Console.WriteLine(student);
            Console.WriteLine(newStudent);
        }
Exemple #5
0
        static void Main(string[] args)
        {
            Student[] students = new Student[]
            {
                new Student("Filip", "Todorov", 22),
                new Student("Emil", "Stefanov", 19),
                new Student("Vasil", "Ivanov", 24),
                new Student("Georgi", "Nikolov", 21),
                new Student("Petur", "Petrov", 27),
                new Student("Daniel", "Danailov", 17)
            };

            var filtered =
                from student in students
                where student.Age >= 18 && student.Age <= 24
                select student;

            foreach (var student in filtered)
            {
                Console.WriteLine(student);
            }
        }
        static void Main()
        {
            Student[] students = new Student[]
            {
            new Student(
                "Jameson",
                "George",
                "Stuart",
                "012-213-432",
                "123 Picadilly square, London, United Kingdom",
                "020-3213-344",
                "*****@*****.**",
                2,
                Speciality.Architecture,
                Faculty.Arts,
                University.Cambridge),

            new Student(
                "Peter",
                "Walker",
                "McCain",
                "012-213-436",
                "34 Downing Street, London, United Kingdom",
                "029-3442-1231",
                "*****@*****.**",
                4,
                Speciality.Astronomy,
                Faculty.Environment,
                University.Harvard),

            new Student(
                "Layla",
                "Johnson",
                "Peterson",
                "012-213-543",
                "123 Portobello Road, London, United Kingdom",
                "159-3742-7831",
                "*****@*****.**",
                2,
                Speciality.Physics,
                Faculty.Engineering,
                University.Edinburgh),

            new Student(
                "Misha",
                "Ilarionov",
                "Moskovskii",
                "455-31-5124",
                "Tverskaya Ulitsa, Moscow, Russia",
                "449-3412-4351",
                "*****@*****.**",
                3,
                Speciality.Dentistry,
                Faculty.Medicine,
                University.Oxford),

            new Student(
                "Dasha",
                "Ivanovna",
                "Odeskaya",
                "344-45-5642",
                "345 Promorsky Bulvard, Odessa, Ukraine",
                "532-1233-8723",
                "*****@*****.**",
                2,
                Speciality.Mathematics,
                Faculty.Engineering,
                University.Cambridge),
            };

            Console.WriteLine("Original student:\n" + students[0]);

            Student cloned = students[0].Clone();

            Console.WriteLine("Cloned student:\n{0}\n", cloned);

            Console.WriteLine("First and Cloned are the same students is {0}", students[0].Equals(cloned));

            Array.Sort(students);

            foreach (Student student in students)
            {
                Console.WriteLine(student);
            }
        }