Class with Attribute "type table of"

[Former Member]

Hi,

how can I define a class A that has a member that is a table

that holds pointers to instances of A?

In Java, I would have written

class A {
  private List<A> followers = new ArrayList<A>();
.....

hope this helps to understand the question.

Thanks in advance,

Stefan

[Former Member]

Hi,

Just have a look at the code excerpt below.

Create a class like

CLASS LCL_CLASS DEFINITION.

**put here your components.

ENDCLASS.

Implement your class.

then in your main program

write

data plane_list TYPE TABLE OF REF to lcl_airplane.

*this creates a ref variable which stores all the instances of that class.

use this may be this can be helpful.

Regards,

Khushboo

[Former Member]

Hello,

Please read this [https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/0a33479c-0b01-0010-7485-dc8c09d6bc69], it's a good workshop that have good expanations concerning ABAP Objects with figures that can help you to associate ABAP OO with Java.

And [https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/25a3df90-0201-0010-10b6-9712397c22fd] is a text that compares the two technologies.

Regards,

[former_member183804]

Hello Stefan,

you need to declare a type that is an internal table of the class type. In newer releases you may define such a type within the class-pool itself. In older releases you need to stress the data dictionary.

Regards

Klaus

program z_Sample.

class lcl_Sample definition.
  public section.
     types:
        ty_Samples type standard table of ref to lcl_Sample with default key.

    methods:
      get_Aggregated_Samples
         returning
            value(result) type ty_Samples.

  private section.
     data: f_Samples type ty_Samples.
endclass.