public int GetExtremeSalary(List <Employee> lstEmployees, SalaryCompare comparator)
{
int salary = 0;
foreach (Employee e in lstEmployees)
{
int employeeSalary = e.emplSalary;
salary = comparator(employeeSalary, salary);
}
return(salary);
}
static void Main(string[] args)
{
// QUESTION 1 - Multiple Choice - Which statement is correct?
Console.WriteLine("---- QUESTION 1 ----");
// A - Properties of anonymous types will be read-only properties so you cannot change their values
Console.WriteLine("A - Properties of anonymous types will be read-only properties so you cannot change their values");
// QUESTION 2A - Use generic collection & put 5 employees in it
Console.WriteLine();
Console.WriteLine("---- QUESTION 2 ----");
List <Employee> listEmployee = new List <Employee>();
listEmployee.Add(new Employee(1, "Steph", 100000));
listEmployee.Add(new Employee(2, "Devon", 90000));
listEmployee.Add(new Employee(3, "Josh", 120000));
listEmployee.Add(new Employee(4, "Trevor", 80000));
listEmployee.Add(new Employee(5, "Alex", 75000));
// QUESTION 2B - Iterate through collection & write the name of employee in console
listEmployee.ForEach(e => Console.WriteLine($"Name: {e.emplName}"));
// QUESTION 2C - Use delegate to find lowest and highest salary
SalaryCompare lowestDelegate = Lowest;
SalaryCompare highestDelegate = Highest;
// STILL FIGURING THIS OUT :(
//int lowSalary = GetExtremeSalary(listEmployee, lowestDelegate);
//int highSalary = GetExtremeSalary(listEmployee, highestDelegate);
//Console.WriteLine($"Lowest Salary: {lowSalary}");
//Console.WriteLine($"Highest Salary: {highSalary}");
// QUESTION 3 - Use Tuple to create an object which has 3 fields (name, age, address) and print the fields
Console.WriteLine();
Console.WriteLine("---- QUESTION 3 ----");
var person = (Name : "Steph", Age : 30, Address : "Montreal");
Console.WriteLine($"Name: {person.Name} Age: {person.Age} Address: {person.Address}");
Console.WriteLine("Name: {0} Age: {1} Address: {2}", person.Name, person.Age, person.Address);
// QUESTION 4 - Use Dictionary to keep the values of information of 5 employees in question 2
Console.WriteLine();
Console.WriteLine("---- QUESTION 4 ----");
// Using sorted list instead of hash table so that it can be sorted by empId
SortedList sortedEmployees = new SortedList();
foreach (Employee e in listEmployee)
{
sortedEmployees.Add(e.emplId, "Office address");
}
foreach (DictionaryEntry element in sortedEmployees)
{
Console.WriteLine("key: {0}, value: {1}", element.Key, element.Value);
}
// QUESTION 5 - Create Generic class that only accepts class reference
Console.WriteLine();
Console.WriteLine("---- QUESTION 5 ----");
MyGenericClass <Employee> .Print(new Employee(6, "Stephanie", 70000));
MyGenericClass <string> .Print("Steph");
// QUESTION 6 - Use extension method to check if number is divisible by 3
Console.WriteLine();
Console.WriteLine("---- QUESTION 6 ----");
int i = 6;
int j = 8;
int divisor = 3;
Console.WriteLine($"Is {i} divisible by {divisor}? {i.IsDivisibleBy(divisor)}");
Console.WriteLine($"Is {j} divisible by {divisor}? {j.IsDivisibleBy(divisor)}");
// QUESTION 7 - Use predicate to check for vowels in a string
Console.WriteLine();
Console.WriteLine("---- QUESTION 7 ----");
// Char[] vowels = { 'a', 'e', 'i', 'o', 'u' };
// I don't think I did this correctly, but was only way I could think to in the moment
Predicate <string> hasVowels = st =>
{
List <Char> vowels = new List <char>();
for (int i = 0; i < st.Length; i++)
{
if (st[i] == 'a')
{
vowels.Add('a');
}
else if (st[i] == 'e')
{
vowels.Add('e');
}
else if (st[i] == 'i')
{
vowels.Add('i');
}
else if (st[i] == 'o')
{
vowels.Add('o');
}
else if (st[i] == 'u')
{
vowels.Add('u');
}
}
if (vowels.Count == 0)
{
Console.Write($"String '{st}' contains NO vowels");
return(false);
}
else
{
Console.Write($"String '{st}' contains vowels: ");
foreach (char c in vowels)
{
Console.Write(c + " ");
}
return(true);
}
};
bool result = hasVowels("Hello");
Console.WriteLine();
bool result2 = hasVowels("Nvhwl");
}
