static void Hometask2()
{
int magicNumber = 5;
var array = new int[magicNumber];
try
{
//ExceptionDemo.FindFactorialRecursively(magicNumber);
ExceptionDemo.InsertIntoArray(array, magicNumber, magicNumber);
}
catch (IndexOutOfRangeException e)
{
Console.WriteLine(e.Message);
}
// In this case, this is useless construction because,
// starting with CLR 2.0, we can no longer handle SO exception
// unless it was thrown artifically.
catch (StackOverflowException e)
{
Console.WriteLine(e.Message);
}
Console.WriteLine("Testing DoSomeMath function:");
ExceptionDemo.DoSomeMath(-2, 3);
ExceptionDemo.DoSomeMath(2, 3);
}
private static void TestException()
{
ExceptionDemo demo = new ExceptionDemo();
//demo.div();
demo.ExceptionChain();
}
static void Main(string[] args)
{
#region C# 7 New Features
Message.PrintTask(Resources.CSharpFeature);
// Task 1: Invoking and Deconstruct Tuple
TupleTask task = new TupleTask();
var(firstName, middleName, lastName) = task.GetData(Constants.FirstName, Constants.MiddleName, Constants.LastName);
Message.Print(string.Format(Resources.GetFullName, firstName, middleName, lastName));
// Task 2: Expression Bodied Members
Student student = new Student(Constants.FirstName);
student.ShowSkills();
student.OtherSkill = Skills.AWS.ToString();
student.ShowOtherSkill();
student.ShowSkill(2);
// Updating the skill by index
student[2] = Skills.Java.ToString();
student.ShowSkill(2);
// Task 3: Expando Object
dynamic dynamicEmployee = new ExpandoObject();
// Properties of Employee
Employee employee = new Employee()
{
Email = Constants.Email,
Name = Constants.FirstName,
Salary = Constants.Salary
};
dynamicEmployee.Email = employee.Email;
dynamicEmployee.Name = employee.Name;
dynamicEmployee.Salary = employee.Salary;
// New Expando Properties
dynamicEmployee.Address = Constants.Address;
dynamicEmployee.Age = Constants.Age;
// New Expando Method
dynamicEmployee.GetDetails = new Action(() => { Message.Print(string.Format("\nName: {0}, Age: {1}, Address: {2}", dynamicEmployee.Name, dynamicEmployee.Age, dynamicEmployee.Address)); });
// Invoking the Expando Method
dynamicEmployee.GetDetails();
#endregion
#region Memory Management
Message.PrintTask(Resources.MemoryManagement);
// Task 1: Displays the property value using "using" block
using (MyClass myClass = new MyClass())
{
Message.Print(string.Format(Resources.IntegerResult, myClass.MyInteger));
}
// Task 2: Disposing the object using finally block
MyClass myClassObject = new MyClass();
try
{
Message.Print(string.Format(Resources.IntegerResult, myClassObject.MyInteger));
}
catch (Exception exception)
{
Message.Print(exception.Message);
}
finally
{
myClassObject.Dispose();
}
#endregion
#region Linq
Message.PrintTask(Resources.Linq);
IEmployeeService employService = new EmployeeService();
IDepartmentService departmentService = new DepartmentService();
MessageHelper.PrintEmployees(employService.GetEmployees());
MessageHelper.PrintDepartments(departmentService.GetDepartments());
Message.PrintSubTask("Odd Salary Employee Details", 1);
var employees = employService.GetOddSalaryEmployees();
foreach (var employ in employees)
{
Message.Print(string.Format("'{0}' has salary Rs.{1}/-", employ.Name, employ.Salary));
}
Message.PrintSubTask("Get Employee Details by Department ", 2);
var departmentEmployees = employService.GetEmployeesByDepartment(102);
MessageHelper.PrintDepartmentEmployees(departmentEmployees);
var highestSalaryByDepartment = employService.GetHighestSalaryByDepartment();
Message.PrintSubTask("Highest Salary By Department", 3);
foreach (var highSalaryEmployee in highestSalaryByDepartment)
{
Message.Print(string.Format("In Department '{0}', '{1}' has highest salary Rs.{2}/-", highSalaryEmployee.Department.Name, highSalaryEmployee.Name, highSalaryEmployee.Salary));
}
Message.PrintSubTask("Get Manager Details whose reportees are more than 2", 4);
var managerList = employService.GetManagersByReporteeCount();
MessageHelper.PrintManagerDetails(managerList);
Message.PrintSubTask("Hike Salary with Business Rules", 5);
int maleEmployeeId = 1, femaleEmployeeId = 2;
var employeeRevisedSalary = employService.HikeSalary(maleEmployeeId);
MessageHelper.PrintRevisedSalary(employeeRevisedSalary);
employeeRevisedSalary = employService.HikeSalary(femaleEmployeeId);
MessageHelper.PrintRevisedSalary(employeeRevisedSalary);
Message.PrintSubTask("Get the salary details of employees under specific manager and increment the salary", 6);
int managerId = 10;
IEmployeeService cloneEmployeeService = employService.DeepCopy();
var employList = employService.GetEmployeesByManager(managerId);
var employListCopy = cloneEmployeeService.GetEmployeesByManager(managerId);
Message.Print("Before Deep Copy Salary Change");
MessageHelper.PrintEmployeeDetails(employList);
MessageHelper.PrintEmployeeDetails(employListCopy);
foreach (var emp in employListCopy)
{
emp.Salary = cloneEmployeeService.HikeSalaryInPercent(emp.EmployeeId).Salary;
}
Message.Print("After Deep Copy Salary Change");
MessageHelper.PrintEmployeeDetails(employList);
MessageHelper.PrintEmployeeDetails(employListCopy);
#endregion
#region Collections and Generics
Message.PrintTask(Resources.CollectionsAndGenerics);
int registrationNumber = 1021;
StudentCollection.SearchStudent(registrationNumber);
// Sort the students by Total Score
StudentCollection.SortStudentsByScore();
#endregion
#region Delegates And Events
Message.PrintTask(Resources.DelegatesAndEvents);
DelegatesAndEvents.ShoppingCart.PerformBilling();
#endregion
#region Exception Handling
Message.PrintTask(Resources.ExceptionHandling);
ExceptionDemo.ReadWeekDays();
ExceptionDemo.ReadFileContent();
#endregion
Console.ReadLine();
}
