Query in Method Name

Hi all,
In the names of some methods of a class I find IF....for example in the class CL_SMARTFORM_BCS there are methods like IF_DELETE_BCSDELETE , IF_COPY_BCSCOPY , IF_DOCUMENT_BCS~GET_BODY_PART_COUNT etc...At the same time there are methods like GET_SFPROCESS , CREATE.
Can anyone please tell me why is that the word IF..... is used before some methods? Is there any signifance with it?
Kindsly reply as fast as possible.
Regards,
Vijay

Hi Bala..
These methods are actually defined in an Interface IF_DELETE_BCS.
A class can include an interface to Implement the methods.
In that case these methods are addressed like <interfaceName>~<method Name>.
Here ~ (Tilde) is the interface resolution operator. That indicates this method is actually defined in an interface. But you can call it like any other method in the Class.
<b>reward if Helpful</b>

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