C#之多态

思考下面的Code，有一Test类，实现了接口ITest：

public interface ITest
{
void Say();
void Run();
}
public class Test : ITest
{
void ITest.Say()
{
Console.WriteLine("ITest.Say");
}

void ITest.Run()
{
Console.WriteLine("ITest.Run");
}

public void Say()
{
Console.WriteLine("Test Say");
}

public void Run()
{
Console.WriteLine("Test Run");
}
}
class Program
{
static void Main(string[] args)
{
ITest itest = new Test();
itest.Say();
itest.Run();

Console.WriteLine("================");

Test t = new Test();
t.Say();
t.Run();

Console.Read();
}
}

这段Code正确吗？如果正确会得到的结果是？

答案：
ITest.Say

ITest.Run
================
Test Say
Test Run
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