Generics

Question

In the method public static void Copy (List source, List destination) I want to understand the meaning after copy.

Scott Lysle · Answer

It is there to cue the compiler to confirm the type; you need not add the type to the call when you use your copy command but it works with or without it so long as the source and target lists are of the same type:
private void Form1_Load( object sender, EventArgs e)
{
List string > sourceList = new List string >();
List string > targetList = new List string >();
sourceList.Add( "A" );
sourceList.Add( "B" );
sourceList.Add( "C" );
Copy(sourceList, targetList);
for ( int i=0; i
MessageBox .Show(targetList[i].ToString());
}
public static void Copy ( List source, List target)
{
foreach (T obj in source)
{
target.Add(obj);
}
}