static void Main(string[] args)
{
custom_d c_d = new custom_d();
custom_e c_e = new custom_e();
custom_f c_f = new custom_f();
custom_k c_k = new custom_k();
custom_j c_j = new custom_j();
custom_b c_b = new custom_b(c_d);
custom_c c_c = new custom_c(c_e, c_f, c_k);
custom_a c_a = new custom_a(c_b, c_c, c_j);
Console.WriteLine("access atribute: {0}", c_c.cq);
Console.WriteLine("link aggregation");
c_a.set_get_atrib_b.b_method();
c_a.set_get_atrib_c.c_method();
c_a.set_get_atrib_j.j_method();
c_a.set_get_atrib_b.set_get_atrib_d.d_method();
c_a.set_get_atrib_c.set_get_atrib_e.e_method();
c_a.set_get_atrib_c.set_get_atrib_f.f_method();
c_a.set_get_atrib_c.set_get_atrib_k.k_method();
}
public custom_c(custom_e atrib_e, custom_f atrib_f, custom_k atrib_k)
{
this.atrib_e = atrib_e;
this.atrib_f = atrib_f;
this.atrib_k = atrib_k;
}