public void CreateThreeInstanceThenDesplay()
{
AbstractDisplay aDisp1 = new CharDisplay ('H');
AbstractDisplay aDisp2 = new StringDisplay ("Hello, CSharp!");
AbstractDisplay aDisp3 = new StringDisplay ("Hello, Template Method.");
aDisp1.Display ();
aDisp2.Display ();
aDisp3.Display ();
}
public void InitializeWithCharacterThenDisplay()
{
AbstractDisplay aDisp = new CharDisplay ('H');
aDisp.Display ();
}