static void Main(string[] args)
{
//instance of each class: objects created
Person aPerson = new Person("Bill", "Gates", 1961);
OakTree aTree = new OakTree(1830);
Dog aDog = new Dog("Fido", 1995);
//Interface array that uses each of the class instances
//casting to the base ??why casting to base??
IUniversalAge[] iAge = new IUniversalAge[3];
iAge[0] = aPerson;
iAge[1] = aTree;
iAge[2] = aDog;
//optional problem: write to a text file your class instance data
string fileSpec = "LogData.txt";
StreamWriter output = File.CreateText(fileSpec);
//Print out each member of the Interface array
foreach (IUniversalAge ageData in iAge)
{
Console.WriteLine("Data Type: {0}", ageData.ToString());
Console.WriteLine("\tName: {0}", ageData.Name);
Console.WriteLine("\tUniversal Age: {0}", ageData.Age);
//optional problem
output.Write(ageData.ToString());
output.Write(" " + ageData.Name);
output.WriteLine(" " + ageData.Age);
}
output.Close();
}
static void Main(string[] args)
{
//instance of each class: objects created
Person aPerson = new Person("Bill", "Gates", 1961);
OakTree aTree = new OakTree(1830);
Dog aDog = new Dog("Fido", 1995);
//Interface array that uses each of the class instances
//casting to the base ??why casting to base??
IUniversalAge[] iAge = new IUniversalAge[3];
iAge[0] = aPerson;
iAge[1] = aTree;
iAge[2] = aDog;
//optional problem: write to a text file your class instance data
string fileSpec = "LogData.txt";
StreamWriter output = File.CreateText(fileSpec);
//Print out each member of the Interface array
foreach (IUniversalAge ageData in iAge)
{
Console.WriteLine("Data Type: {0}", ageData.ToString());
Console.WriteLine("\tName: {0}", ageData.Name);
Console.WriteLine("\tUniversal Age: {0}", ageData.Age);
//optional problem
output.Write(ageData.ToString());
output.Write(" " + ageData.Name);
output.WriteLine(" " + ageData.Age);
}
output.Close();
}