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danrega
2023-02-02 16:08:29 +01:00
parent 4e25419184
commit bf8f7eb52a
6 changed files with 17 additions and 16 deletions
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04_ABAP_Object_Orientation.md
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@@ -475,7 +475,7 @@ for example, using `DATA`. In this case, the name of the class must be placed af
instance constructor. See more information:
[here](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abennew_constructor_params_class.htm).
- The operator
basically replaces the syntax [CREATE OBJECT](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abapcreate_object.htm) you might stumble on.
basically replaces the syntax [`CREATE OBJECT`](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abapcreate_object.htm) you might stumble on.
``` abap
"Declaring object reference variable
@@ -1056,7 +1056,7 @@ tests](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file
- Impact of friendship:
- Access is granted to all components, regardless of the visibility section or the addition `READ-ONLY`.
- Friends of a class can create instances of the class without restrictions.
- Friendship is a one-way street, i. e. a class granting friendship to another class is not granded friendship the other way round. If class `a` grants friendship to class `b`, class `b` must also explicitly grant friendship to class `a` so that `a` can access the invisible components of c `b`.
- Friendship is a one-way street, i. e. a class granting friendship to another class is not granded friendship the other way round. If class `a` grants friendship to class `b`, class `b` must also explicitly grant friendship to class `a` so that `a` can access the invisible components of class `b`.
- Friendship and inheritance: Heirs of friends and interfaces that contain a friend as a component interface also become friends. However, granting friendship is not inherited, i. e. a friend of a superclass is not automatically a friend of its subclasses.