static void Main()
{
Student a = new Student("AAA", "BBB", "CCC", 322, "aaaa bbb", "12345678", "*****@*****.**",
"courseAAAA", SpecialtyEnum.aaaSp, UniversityEnum.aaUn, FacultyEnum.cccFac);
Student b = new Student("ZZZ", "BBB", "CCC", 321, "aaaa bbb", "12345678", "*****@*****.**",
"courseAAAA", SpecialtyEnum.aaaSp, UniversityEnum.aaUn, FacultyEnum.cccFac);
Student c = new Student("AAA", "BBB", "CCC", 321, "aaaa bbb", "12345678", "*****@*****.**",
"courseAAAA", SpecialtyEnum.aaaSp, UniversityEnum.aaUn, FacultyEnum.cccFac);
Console.WriteLine(a.ToString());
Console.WriteLine();
Console.WriteLine(b.ToString());
Console.WriteLine();
Console.WriteLine(c.ToString());
Console.WriteLine("student a is student b:{0}", a.Equals(b));
Console.WriteLine("student a is student c:{0}", a.Equals(c));
Console.WriteLine("student a is student c:{0}", a == c);
Console.WriteLine("student a is not student c:{0}", a != c);
Console.WriteLine("student a is not student b:{0}", a != b);
Console.WriteLine("Student not overriden hash code:{0} {1} {2}", a.FirstName.GetHashCode(), a.MiddleName.GetHashCode(), a.LastName.GetHashCode());
Console.WriteLine("Student a overriden hash code:{0}", a.GetHashCode());
var d = a.Clone();
Console.WriteLine();
Console.WriteLine("Cloned student a:");
Console.WriteLine(d.ToString());
var students = new Student[] { c, b, a }.OrderBy(x => x).ToArray();
foreach (var st in students)
{
Console.WriteLine(st.FirstName + " " + st.MiddleName + " " + st.LastName + " " + st.SSN);
}
}
static void Main()
{
Student a = new Student("AAA", "BBB", "CCC", 322, "aaaa bbb", "12345678", "*****@*****.**",
"courseAAAA", SpecialtyEnum.aaaSp, UniversityEnum.aaUn, FacultyEnum.cccFac);
Student b = new Student("ZZZ", "BBB", "CCC", 321, "aaaa bbb", "12345678", "*****@*****.**",
"courseAAAA", SpecialtyEnum.aaaSp, UniversityEnum.aaUn, FacultyEnum.cccFac);
Student c = new Student("AAA", "BBB", "CCC", 321, "aaaa bbb", "12345678", "*****@*****.**",
"courseAAAA", SpecialtyEnum.aaaSp, UniversityEnum.aaUn, FacultyEnum.cccFac);
Console.WriteLine(a.ToString());
Console.WriteLine();
Console.WriteLine(b.ToString());
Console.WriteLine();
Console.WriteLine(c.ToString());
Console.WriteLine("student a is student b:{0}",a.Equals(b));
Console.WriteLine("student a is student c:{0}", a.Equals(c));
Console.WriteLine("student a is student c:{0}", a==c);
Console.WriteLine("student a is not student c:{0}", a != c);
Console.WriteLine("student a is not student b:{0}", a != b);
Console.WriteLine("Student not overriden hash code:{0} {1} {2}",a.FirstName.GetHashCode(),a.MiddleName.GetHashCode(),a.LastName.GetHashCode());
Console.WriteLine("Student a overriden hash code:{0}",a.GetHashCode());
var d = a.Clone();
Console.WriteLine();
Console.WriteLine("Cloned student a:");
Console.WriteLine(d.ToString());
var students = new Student[] { c, b, a }.OrderBy(x => x).ToArray();
foreach (var st in students)
{
Console.WriteLine(st.FirstName +" " + st.MiddleName+" "+st.LastName+" "+st.SSN);
}
}
static void Main()
{
Student student1 = new Student("Ivan", "Ivanov", "Ivanov", "486939693", "Sofia", "088888888", "*****@*****.**",
"first", Enums.Specialty.ComputerScience, Enums.University.TechnicalUniversity, Enums.Faculty.FacultyOfComputerSystemsAndControl);
Student student2 = new Student("Ivan", "Ivanov", "Ivanov", "486939693", "Sofia", "088888888", "*****@*****.**",
"first", Enums.Specialty.ComputerScience, Enums.University.TechnicalUniversity, Enums.Faculty.FacultyOfComputerSystemsAndControl);
Student student3 = new Student("Ivan", "Ivanov", "Ivanov", "484830703", "Sofia", "0888999999", "*****@*****.**",
"first", Enums.Specialty.ComputerScience, Enums.University.TechnicalUniversity, Enums.Faculty.FacultyOfComputerSystemsAndControl);
Console.WriteLine(student1.Equals(student2)); //True
Console.WriteLine(student2.Equals(student3)); //False
Console.WriteLine(student1 == student2); //True
Console.WriteLine(student2 != student3); //True
Console.WriteLine(student1.GetHashCode());
Console.WriteLine(student2.GetHashCode());
Student newStudent = student1.Clone() as Student;
student1.FirstName = "Georgi";
Console.WriteLine(student1);
Console.WriteLine();
Console.WriteLine(newStudent);
Console.WriteLine(student1.CompareTo(student2)); //-1
Console.WriteLine(student2.CompareTo(student3)); //1
}
private static void Main()
{
Student ivan = new Student
{
FirstName = "Ivan",
MiddleName = "Ivanov",
LastName = "Ivanov",
Ssn = 1231231231,
PermanentAddress = "Bulgaria, Sofia 1000, Minzuhar str. 123",
MobilePhone = "+359887123123",
Email = "*****@*****.**",
Course = 2,
Faculty = FacultyType.Culture,
University = UniversityType.Private,
Specialty = SpecialtyType.Bachelor
};
Student pesho = new Student
{
FirstName = "Pesho",
MiddleName = "Peshev",
LastName = "Peshov",
Ssn = 9999999999,
PermanentAddress = "Bulgaria, Sofia 1000, Kokiche str. 321",
MobilePhone = "+359889321321",
Email = "*****@*****.**",
Course = 2,
Faculty = FacultyType.Economic,
University = UniversityType.Public,
Specialty = SpecialtyType.Doctor
};
Console.WriteLine(ivan);
Console.WriteLine(pesho);
Console.WriteLine("Equals: {0}", pesho.Equals(ivan));
Console.WriteLine("GetHashCode() {0} {1}", "pesho", pesho.GetHashCode());
Console.WriteLine("GetHashCode() {0} {1}", "ivan", ivan.GetHashCode());
Console.WriteLine("pesho == ivan {0}", pesho == ivan);
Console.WriteLine("pesho != ivan {0}", pesho != ivan);
Student mircho = pesho.Clone();
mircho.FirstName = "Mircho";
mircho.MiddleName = "Mirchev";
mircho.LastName = "Mirchev";
mircho.Ssn = 9999999999;
Console.WriteLine("GetHashCode() {0} {1}", "mircho", mircho.GetHashCode());
Console.WriteLine("Compare: mircho and pesho = " + mircho.CompareTo(pesho));
Console.WriteLine("Compare: mircho and mircho = " + mircho.CompareTo(mircho));
}
public static void Main(string[] args)
{
Student paul = new Student("Paul");
Student sally = new Student("Sally");
paul.AddGrade(3, 4.0);
paul.AddGrade(4, 3.0);
sally.AddGrade(3, 3.0);
sally.AddGrade(3, 3.5);
int paulNumberOfCredits = paul.NumberOfCredits;
string paulGradeLevel = paul.GradeLevel;
double paulGpa = paul.Gpa;
int sallyNumberOfCredits = sally.NumberOfCredits;
string sallyGradeLevel = sally.GradeLevel;
double sallyGpa = sally.Gpa;
paul.NumberOfCredits = 91;
sally.NumberOfCredits = 61;
paulGradeLevel = paul.GetGradeLevel();
sallyGradeLevel = sally.GetGradeLevel();
Console.WriteLine("Paul Number of Credits = " + paul.NumberOfCredits.ToString());
Console.WriteLine("Paul's info: ");
Console.WriteLine("Gpa = " + Math.Round(paul.Gpa, 2, MidpointRounding.AwayFromZero).ToString());
Console.WriteLine("Grade Level = " + paulGradeLevel);
Console.WriteLine("Sally's info: ");
Console.WriteLine("Gpa = " + Math.Round(sally.Gpa, 2, MidpointRounding.AwayFromZero).ToString());
Console.WriteLine("Grade Level = " + sallyGradeLevel);
// use custom ToString() method written below
Console.WriteLine(paul.ToString());
Console.WriteLine(sally.ToString());
//use custom Equals and GetHashCode() methods written below
Console.WriteLine("paul == sally, using customn Equals() is : " + paul.Equals(sally).ToString());
Console.WriteLine("GetHasCode() for paul is: " + paul.GetHashCode());
Console.WriteLine("GetHasCode() for sally is: " + sally.GetHashCode());
Console.ReadLine();
}
public static void Main()
{
Student vankata = new Student("Ivan", "Ivanov", "Ivanov", "123456789", "Grad Sofia", "0888123456", 3, UniversityEnum.UNSS, FacultyEnum.Law, SpecialtyEnum.PublicLaw);
Student cloningOfVankata = (Student)vankata.Clone();
Student bugCloningOfVankata = new Student("Ivan", "Ivanov", "Ivanov", "123456798", "Grad Sofia", "0888123456", 3, UniversityEnum.UNSS, FacultyEnum.Law, SpecialtyEnum.PublicLaw);
Console.WriteLine(vankata.ToString());
Console.WriteLine(vankata.GetHashCode());
Console.WriteLine(vankata.Equals(cloningOfVankata)); // return true
Console.WriteLine(vankata == bugCloningOfVankata); // return false
Console.WriteLine(vankata != cloningOfVankata); // return false
Console.WriteLine(vankata.CompareTo(bugCloningOfVankata)); // returns -1
}
static void Main(string[] args)
{
Student student = new Student("Niki", "S", "Kostov", 10002922, "Telerik", "+359 882", "*****@*****.**");
student.FillUniversityInfo(Student._University.SofiaUniversity, 4, Student._Faculty.Mathematics, Student._Speciality.IT);
Console.WriteLine(student.GetHashCode());
Student student2 = new Student("Ivo", "S", "Kenov", 10034222, "Telerik", "+359 883", "*****@*****.**");
student2.FillUniversityInfo(Student._University.TechnicalUniversity, 4, Student._Faculty.Mathematics, Student._Speciality.IT);
Console.WriteLine(student2.GetHashCode() + Environment.NewLine);
Console.WriteLine(student);
Console.WriteLine(student2);
Console.WriteLine(student == student2);
Console.WriteLine(student.Equals(student));
Console.WriteLine(student.Equals(student2));
Console.WriteLine(student != student2);
}
static void Main(string[] args)
{
Student student = new Student("Niki", "S", "Kostov", 10002922, "Telerik", "+359 882", "*****@*****.**");
student.FillUniversityInfo(Student._University.SofiaUniversity, 4, Student._Faculty.Mathematics, Student._Speciality.IT);
Console.WriteLine(student.GetHashCode());
Student student2 = new Student("Ivo", "S", "Kenov", 10034222, "Telerik", "+359 883", "*****@*****.**");
student2.FillUniversityInfo(Student._University.TechnicalUniversity, 4, Student._Faculty.Mathematics, Student._Speciality.IT);
Console.WriteLine(student2.GetHashCode() + Environment.NewLine);
Console.WriteLine(student);
Console.WriteLine(student2);
Console.WriteLine(student == student2);
Console.WriteLine(student.Equals(student));
Console.WriteLine(student.Equals(student2));
Console.WriteLine(student != student2);
}
static void Main(string[] args)
{
Student a = new Student("lala", "lol", "rofl", "hladilnika", 666, 088811111, "*****@*****.**",
"Hardware manufacturing", Specialty.KST, University.FreeUniversity, Faculty.Technical);
Student b = new Student("lala", "lol", "rofl", "hladilnika", 666, 088811111, "*****@*****.**",
"Hardware manufacturing", Specialty.KST, University.FreeUniversity, Faculty.Technical);
Console.WriteLine(a.ToString());
Console.WriteLine(b.ToString());
if (a == b)
{
Console.WriteLine("a == b");
}
if (a.Equals(b))
{
Console.WriteLine("Equals ");
}
if (a != b)
{
Console.WriteLine("a and b are not equal");
}
Console.WriteLine(a.GetHashCode());
Console.WriteLine(b.GetHashCode());
Student s = new Student("lala1", "lol", "rofl", "hladilnika", 666, 088811111, "*****@*****.**",
"Hardware manufacturing", Specialty.KST, University.FreeUniversity, Faculty.Technical);
Console.WriteLine(s.GetHashCode());
if (a != s)
{
Console.WriteLine("a and c are not equal");
}
}
public static void Main()
{
var firstStudent = new Student("Kiro", "Skalata", "Valchev", "123-45-6789", "Unknown address", "0888747474",
"*****@*****.**", 4, Universities.MedicalUniversity, Faculties.DentalMedicineFaculty, Specialties.DentalMedicine);
var secondStudent = new Student("Kiro", "Skalata", "Valchev", "987-65-4321", "Unknown address", "0886454545",
"*****@*****.**", 4, Universities.SofiaUniversity, Faculties.FMI, Specialties.SoftwareEngineer);
var thirdStudent = new Student("Dimitar", "Pishtova", "Marinov", "321-56-9784", "Unknown address", "0895636363",
"*****@*****.**", 4, Universities.TechnicalUniversity, Faculties.TransportFaculty, Specialties.TransportEngineer);
bool compareFirstAndSecond = firstStudent.Equals(secondStudent);
bool compareFirstAndThird = firstStudent.Equals(thirdStudent);
bool operatorsCompareFirstAndSecond = firstStudent == secondStudent;
bool operatorsCompareFirstAndThird = firstStudent != thirdStudent;
var hashCodeTest = firstStudent.GetHashCode();
// test ToString();
Console.WriteLine(firstStudent + "\n");
Console.WriteLine(secondStudent + "\n");
Console.WriteLine(thirdStudent + "\n");
Console.WriteLine("Compare first and second with Equals: {0}", compareFirstAndSecond);
Console.WriteLine("Compare first and third with Equals: {0}\n", compareFirstAndThird);
Console.WriteLine("Compare first and second with == {0}", operatorsCompareFirstAndSecond);
Console.WriteLine("Compare first and third with == {0}\n", operatorsCompareFirstAndThird);
Console.WriteLine("Compare first and second with CompareTo: {0}", firstStudent.CompareTo(secondStudent));
Console.WriteLine("Compare first and third with CompareTo: {0}\n", firstStudent.CompareTo(thirdStudent));
var cloned = thirdStudent.Clone() as Student;
Console.WriteLine("Cloned == thirdStudent? {0}", cloned == thirdStudent);
thirdStudent = secondStudent;
Console.WriteLine("Cloned == thirdStudent? after swapping? {0}", cloned == thirdStudent);
}
public static void Main()
{
var student = new Student("Pesho", "Petrov", "Peshov", "123-45-6789", "some address",
"some phone", "some eMail", 2,
Universities.TU, Faculties.Mathematics, Specialities.Drinking);
var otherStudent = new Student("Pesho", "Petrov", "Peshov", "000-11-2222", "some address",
"some phone", "some eMail", 2,
Universities.TU, Faculties.Mathematics, Specialities.Drinking);
Console.WriteLine(" Two students with same names, universities and all, except SSN:");
Console.WriteLine("{0}\n -{1}'s hash code = {2}\n", student, student.FirstName, student.GetHashCode());
Console.WriteLine("{0}\n -{1}'s hash code = {2}\n", otherStudent, otherStudent.FirstName, otherStudent.GetHashCode());
Console.WriteLine("Are the two students equal? - {0}", student == otherStudent);
Console.WriteLine("Are the two students different? - {0}", student != otherStudent);
Console.Write(separator);
Console.WriteLine(" Two students, one is clone of the other:");
var clone = (Student)student.Clone();
clone.Course = 4;
clone.MobilePhone = "another phone";
clone.PermanentAddress = "new address";
Console.WriteLine("Original: {0}", student);
Console.WriteLine("Clone with changed phone, address and course: {0}", clone);
Console.WriteLine("The original is not affected by changes made in the clone.");
Console.Write(separator);
Student newStudent = new Student("Gosho", "Petrov", "Peshov", "123-45-6789", "some address",
"some phone", "some eMail", 2,
Universities.TU, Faculties.Mathematics, Specialities.Dancing);
Console.WriteLine(" Comparing two students with same names but different SSNs: ");
CompareStudents(student, otherStudent);
Console.WriteLine(" Comparing two students with different names: ");
CompareStudents(student, newStudent);
Console.WriteLine(" Comparing two students with same names and SSNs: ");
CompareStudents(student, clone);
Console.Write(separator);
}
