static void Main(string[] args)
{
// create some objects to use for testing
Prob5Class pc1 = new Prob5Class("Damian Lillard", 0);
Prob5Class pc2 = new Prob5Class("CJ McCollum", 3);
Prob5Class pc3 = new Prob5Class("Damian Lillard", 3);
Prob5Class pc4 = new Prob5Class("CJ McCollum", 0);
Prob5Class pc5 = new Prob5Class("Jusef Nurkic", 0);
Prob5Class pc6 = new Prob5Class("Jusef Nurkic", 3);
// test logic - expect positive, i.e. B follows A
Console.WriteLine(pc1.CompareTo(pc2));
Console.WriteLine();
// put test objects in array
Prob5Class[] pcArray = new Prob5Class[6];
pcArray[0] = pc1;
pcArray[1] = pc2;
pcArray[2] = pc3;
pcArray[3] = pc4;
pcArray[4] = pc5;
pcArray[5] = pc6;
// sort array
Array.Sort(pcArray);
// print sorted array
foreach (Prob5Class element in pcArray)
{
Console.WriteLine(element);
}
}
// interface method
// Objects in the class should be ordered in the following manner:
// * primary sort order is alphabetical according to the text field
// * secondary sort order is largest first according to the int field
// int IComparable.CompareTo(object obj)
public int CompareTo(object obj)
{
// cast obj to Prob5Class type
Prob5Class pc = obj as Prob5Class;
// if cast is successful make comparisons
if (pc != null)
{
// return value corresponding to comparison
if (String.Compare(this.PcStr, pc.PcStr) < 0)
{
return(-1);
}
if (String.Compare(this.PcStr, pc.PcStr) > 0)
{
return(1);
}
else // strings are the same..compare ints
{
if (this.PcInt < pc.PcInt)
{
return(-1);
}
if (this.PcInt > pc.PcInt)
{
return(1);
}
else
{
return(0);
}
}
}
else
{
throw new ArgumentException("Parameter is not a Prob5Class object ");
}
}
