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  1. Categories >> Software >> MainFrame >> IBM MainFrame >> COBOL
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What is "Call by content" and "call by reference"?

Question Posted / siri

Answer Posted / siri

CALL BY CONTENT CALL BY VALUE
---------------- ------------------
*CALL 'SUB1' BY USING CONTENT *CALL 'SUB1' BY USING REFERE
WS-VAR1 NCE WS-VAR2
*ITS NEED TO BE CODE PASS AN *ITS NO NEED TO CODE PASS AD
ELEMENT BY VALUE. DRESS ON THE VARIABLE.
*THE SUBPROGRAMS MODIFICATIONS *THE SUB PROGRAM MODIFICATIO
ON THE PASSED ELEMENTS ARE NOT NS ON THE PASSED ELEMENTS
VISIBLE IN THE MAIN PROGRAM. ARE VISIBLE IN THE MAIN PRO
GRAM.

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