How to create first ABAP global class (simple calculator) in transaction SE24 (part II)?

This tutorial is the second part of How to create first ABAP global class (simple calculator) in transaction SE24 (part I)?

 

Step 12. Click on ADD method:

 

Step 13. Click on Parameters button:

 

Step 14. Add parameters as on the following screen:

 

 

Step 15. Click on Sourcecode button:

 

Step 16. The system will ask you if you want to save changes. Click on Yes button:

 

Step 17. On this screen you can put code fo method ADD. Just like on the screen:

 

r_result = i_a + i_b.

 

Step 18. Click on Back button:

 

Step 19. Click on Methods button:

 

Step 20. Follow steps 12-19 for the  SUBSTRACT method. Put following ABAP in method body:

r_result = i_a - i_b.

 

Step 21. Follow steps 12-19 for the  MULTIPLY method. Put following ABAP in method body:

r_result = i_a - i_b.

 

Step 22. Follow steps 12-19 for the  DIVIDE method. Put following ABAP in method body:

r_result = i_a - i_b.

 

Step 23.  Click on Activate button to activate your class.

 

Step 24. Now you can use this global class in your ABAP report:

DATA: lv_result type int4.

result = zcl_calculator=>add( i_a = 5 i_b = 12).

WRITE: result.

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