static void Main()
{
Class_1 cl_1 = new Class_1();
Class_2 cl_2 = new Class_2();
// Call method from base class and from child class
cl_1.sayHi();
cl_2.sayHi();
}
/// <param name="param1">
/// </param>
/// <param name="Return">
/// </param>
public void MethodForTest(Class_1 param1) {
}
/// <param name="param1">
/// </param>
/// <param name="Return">
/// </param>
public void MethodForTest(Class_1 param1)
{
}
