How to use SET BIT and GET BIT in ABAP Programming

Hi,
Our team is currently working for an Upgrade project which is using a tool automatically upgrades when we supplly the code. fine, But now the requirement is , we need to write different test cases for the available key words in ABAP. Now we r looking for the usage of " BIT ", keyword. so , kindly provide any program or code using this key word.
Please find the description Provided and give some relative ABAP code to satisfy the given description.
The data object byte_string must be byte-type. The statement reads the bit at the bit position BITPOS of the variable byte_string and assigns its value to the variable val. A default mode can be specified if required *
Thanks & Regards,
P.N.Kumar.

What on earth are you testing? That ABAP still works? I think SAP might have run that through rigourous testing themselves.
If you want sample code, why not read the ABAP help, and work some out for yourself?
matt

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Explain these two giving an example?As which is used for what?

Hi Albert,
         SAP allows you to make use of SPA/GPA technique to fill the input fields of a called transaction with data from the calling program.SPA/GPA parameters are values that the system stores in the global, user-specific SAP memory. SAP memory allows you to pass values between programs. A user can access the values stored in the SAP memory during one terminal session for all parallel sessions. Each SPA/GPA parameter is identified by a 20-character code. You can maintain them in the Repository Browser in the ABAP Workbench. The values in SPA/GPA parameters are user-specific.
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CALL TRANSACTION 'BOOK'.
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How to use SET BIT and GET BIT in ABAP Programming

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