static void Main(string[] args)
{
// initialize two sets
Console.WriteLine("Input Set A");
IntegerSet set1 = InputSet();
Console.WriteLine("\nInput Set B");
IntegerSet set2 = InputSet();
IntegerSet union = set1.Union(set2);
IntegerSet intersection = set1.Intersection(set2);
// prepare output
Console.WriteLine("\nSet A contains elements:");
Console.WriteLine(set1.ToString());
Console.WriteLine("\nSet B contains elements:");
Console.WriteLine(set2.ToString());
Console.WriteLine(
"\nUnion of Set A and Set B contains elements:");
Console.WriteLine(union.ToString());
Console.WriteLine(
"\nIntersection of Set A and Set B contains elements:");
Console.WriteLine(intersection.ToString());
// test whether two sets are equal
if (set1.IsEqualTo(set2))
{
Console.WriteLine("\nSet A is equal to set B");
}
else
{
Console.WriteLine("\nSet A is not equal to set B");
}
// test insert and delete
Console.WriteLine("\nInserting 77 into set A...");
set1.InsertElement(77);
Console.WriteLine("\nSet A now contains elements:");
Console.WriteLine(set1.ToString());
Console.WriteLine("\nDeleting 77 from set A...");
set1.DeleteElement(77);
Console.WriteLine("\nSet A now contains elements:");
Console.WriteLine(set1.ToString());
// test constructor
int[] intArray = { 25, 67, 2, 9, 99, 105, 45, -5, 100, 1 };
IntegerSet set3 = new IntegerSet(intArray);
Console.WriteLine("\nNew Set contains elements:");
Console.WriteLine(set3.ToString());
// line added to control the execution.
Console.WriteLine("Press any key to continue");
Console.ReadLine();
} // end Main
} // end Main
// creates a new set by reading numbers from the user
private static IntegerSet InputSet()
{
IntegerSet temp = new IntegerSet();
Console.Write("Enter number (-1 to end): ");
int number = Convert.ToInt32(Console.ReadLine());
while (number != -1)
{
temp.InsertElement(number);
Console.Write("Enter number (-1 to end): ");
number = Convert.ToInt32(Console.ReadLine());
} // end while
return(temp);
}