private static void PopulateDictionary()
{
StreamReader sr = new StreamReader("students.txt");
try
{
string currLine = sr.ReadLine();
while (currLine != null)
{
var lineTokens = currLine.Split(new char[] { '|', ' ' }, StringSplitOptions.RemoveEmptyEntries).ToArray();
var studentToAdd = new Student(lineTokens[0], lineTokens[1]);
if (!studentsByCourse.ContainsKey(lineTokens[2]))
{
studentsByCourse.Add(lineTokens[2], new SortedSet<Student>());
}
studentsByCourse[lineTokens[2]].Add(studentToAdd);
currLine = sr.ReadLine();
}
}
catch (FileNotFoundException)
{
Console.WriteLine("File students.txt not found!");
}
}
public static SortedDictionary<string, OrderedBag<Student>> ReadStudents(string path)
{
var result = new SortedDictionary<string, OrderedBag<Student>>();
using (var reader = new StreamReader("students.txt"))
{
var currentLine = reader.ReadLine();
while (currentLine != null)
{
var tokens = currentLine.Split(new char[] { ' ', '|', }, StringSplitOptions.RemoveEmptyEntries);
var course = tokens[2].Trim();
Student student = new Student(tokens[0].Trim(), tokens[1].Trim(), course);
if (result.ContainsKey(course))
{
result[course].Add(student);
}
else
{
result[course] = new OrderedBag<Student>();
result[course].Add(student);
}
currentLine = reader.ReadLine();
}
return result;
}
// return result;
}
public static void Main()
{
Student st1 = new Student("Pesho", "Peshov", "Peshov");
st1.SSN = 555;
st1.Specialty = Specialties.spec2;
Student st2 = st1.Clone() as Student;
Console.WriteLine("\tOriginal student data\n");
Console.WriteLine(st1);
Console.WriteLine("\tCloned student data\n");
Console.WriteLine(st2);
Console.WriteLine("st1 == st2 ? - {0}", st1 == st2);
Console.WriteLine();
Console.WriteLine("Enter new SSN number for student 2 (different from 555)");
Console.Write("SSN = ");
st2.SSN = long.Parse(Console.ReadLine());
Console.WriteLine();
Console.WriteLine("st1.CompareTo(st2) - {0}", st1.CompareTo(st2));
Console.WriteLine();
}
public static SortedDictionary<string, SortedSet<Student>> ReadProducts(string fileName)
{
SortedDictionary<string, SortedSet<Student>> studentsByCourses = new SortedDictionary<string, SortedSet<Student>>();
using (var reader = new StreamReader(fileName))
{
var line = reader.ReadLine();
while (line != null && line.Length > 2)
{
string[] tokens = line.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
Student student = new Student(tokens[0].Trim(), tokens[1].Trim());
string course = tokens[2].Trim();
if (studentsByCourses.ContainsKey(course))
{
studentsByCourses[course].Add(student);
}
else
{
studentsByCourses[course] = new SortedSet<Student>();
}
line = reader.ReadLine();
}
}
return studentsByCourses;
}
static void Main(string[] args)
{
string command = Console.ReadLine();
while(command != "End")
{
Student student = new Student(command);
command = Console.ReadLine();
}
Console.WriteLine(Student.instanceCounter);
}
private static Student[] ParseStudentEntities(IList<string> studentsEntities)
{
Student[] students = new Student[studentsEntities.Count];
for (int i = 0; i < studentsEntities.Count; i++)
{
string[] studentsEntitieParts = studentsEntities[i].Split(new char[] { '|'}, StringSplitOptions.RemoveEmptyEntries);
students[i] = new Student
{
FirstName = studentsEntitieParts[0].Trim(),
LastName = studentsEntitieParts[1].Trim(),
CourseName = studentsEntitieParts[2].Trim()
};
}
return students;
}
static void Main(string[] args)
{
//1.
var Antoan = new Student("Antoan", "Petrov", "Elenkov", 14690, "Sin City", "+12345678",
"*****@*****.**", 5, Specialitiy.CivilEngineering, University.UACG, Faculty.Mathematic);
var Antoan2 = new Student("Antoan", "Petrov", "Elenkov", 14690, "Sin City", "+12345678",
"*****@*****.**", 5, Specialitiy.CivilEngineering, University.UACG, Faculty.Mathematic);
Console.WriteLine(Antoan.ToString());
Console.WriteLine("\nChecks if getHashCode() is implemented properly:");
Console.WriteLine(Antoan.GetHashCode());
Console.WriteLine(Antoan2.GetHashCode());
//2.IClonable - Clone Object
Console.WriteLine("\nThis is the deep copy:");
var AntoanCopy = Antoan.Clone();
Console.WriteLine(AntoanCopy);
//3.Implement the IComparable<Student> interface to compare students by names (as first criteria,
//in lexicographic order) and by social security number (as second criteria, in increasing order).
Console.WriteLine("\nCompare student Antoan with his copy:");
Console.WriteLine(Antoan.CompareTo(Antoan2));
}
private static ICollection<Student> ReadFile(string filePath)
{
char[] separators = new char[] { ' ', '|' };
var students = new List<Student>();
using (var streamReader = new StreamReader(filePath))
{
string line;
while ((line = streamReader.ReadLine()) != null)
{
var studentInfo = line.Split(separators, StringSplitOptions.RemoveEmptyEntries);
if (studentInfo.Length == 3)
{
var firstName = studentInfo[0];
var lastName = studentInfo[1];
var courseName = studentInfo[2];
var student = new Student(firstName, lastName, courseName);
students.Add(student);
}
}
}
return students;
}
