int IComparer.Compare(object ob1, object ob2)
{
AbstrState s1 = (AbstrState)ob1;
AbstrState s2 = (AbstrState)ob2;
return(String.Compare(s1.Continent, s2.Continent));
}
int IComparer.Compare(object ob1, object ob2)
{
AbstrState s1 = (AbstrState)ob1;
AbstrState s2 = (AbstrState)ob2;
return(String.Compare(s1.LeaderName, s2.LeaderName));
}
int IComparer.Compare(object ob1, object ob2)
{
AbstrState s1 = (AbstrState)ob1;
AbstrState s2 = (AbstrState)ob2;
return(s1.CompareTo(s2));
}
// Redefinition of the CompareTo method from the IComparable interface
public int CompareTo(object s)
{
AbstrState newS = s as AbstrState;
int result = new int();
if (this.Population == newS.Population)
{
result = 0;
}
if (this.Population > newS.Population)
{
result = 1;
}
if (this.Population < newS.Population)
{
result = -1;
}
return(result);
}
int IComparer.Compare(object ob1, object ob2)
{
AbstrState s1 = (AbstrState)ob1;
AbstrState s2 = (AbstrState)ob2;
int result = new int();
if (s1.Age == s2.Age)
{
result = 0;
}
if (s1.Age > s2.Age)
{
result = 1;
}
if (s1.Age < s2.Age)
{
result = -1;
}
return(result);
}
static void Main(string[] args)
{
// Republic class.
Republic republic = new Republic("The Republic of the Congo", "Denis Sassou Nguesso", 5125821, 58, "Africa", 7, 72, 6);
// Monarchy class.
Monarchy monarchy = new Monarchy("Belgium", "Philippe", 11358357, 189, "Europe", "The House of Saxe-Coburg and Gotha");
// Kingdom class.
Kingdom kingdom = new Kingdom("The Kingdom of Saudi Arabia", "Salman", 33000000, 87, "Asia", "The Sudairi Seven");
// Array of objects of classes that use IComparable interface
IComparable[] comparable = new IComparable[3];
comparable[0] = republic;
comparable[1] = monarchy;
comparable[2] = kingdom;
// Recreation of the array but with the AbstrState class
AbstrState[] abstrState = new AbstrState[3];
for (int i = 0; i < comparable.Length; i++)
{
abstrState[i] = (AbstrState)comparable[i];
}
Console.WriteLine("THE RESULT OF THE 3RD TASK:");
// Showing the array
Console.WriteLine("CREATED ARRAY:");
foreach (AbstrState a in abstrState)
{
a.Show();
}
// Sorting the array
Array.Sort(abstrState, new ComparePopulation());
// Showing the sorted array
Console.WriteLine("ARRAY AFTER BEING SORTED BY POPULATION:");
foreach (AbstrState a in abstrState)
{
a.Show();
}
Array.Sort(abstrState, new CompareName());
Console.WriteLine("ARRAY AFTER BEING SORTED BY NAME:");
foreach (AbstrState a in abstrState)
{
a.Show();
}
Array.Sort(abstrState, new CompareLeaderName());
Console.WriteLine("ARRAY AFTER BEING SORTED BY LEADER NAME:");
foreach (AbstrState a in abstrState)
{
a.Show();
}
Array.Sort(abstrState, new CompareAge());
Console.WriteLine("ARRAY AFTER BEING SORTED BY AGE:");
foreach (AbstrState a in abstrState)
{
a.Show();
}
Array.Sort(abstrState, new CompareContinent());
Console.WriteLine("ARRAY AFTER BEING SORTED BY CONTINENT:");
foreach (AbstrState a in abstrState)
{
a.Show();
}
// Binary search demonstration
DemostrateBinarySearch(abstrState);
// Shallow clone
Republic shallowClone = republic.ShallowCopy();
// Real clone
Republic clone = (Republic)republic.Clone();
Console.WriteLine("Shallow clone of the Republic object:");
shallowClone.Show();
Console.WriteLine("Clone of the Republic object:");
clone.Show();
Console.WriteLine("Press ENTER to exit");
Console.ReadLine();
}
