Answer / sekhar naidu yandrapu

CONTROLLED SPECIFIES THAT YOU MAINTAIN FULL CONTROL OVER THE ALLOCATION AND FREEING OF STORAGE WITH ALLOCATE AND FREE STATEMENTS .MULTIPLE ALLOCATIONS OF THE SAME CONTROLLED VARIABLE IN THE SAME TASK ,WITHOUT INTERVENING FREEING , STACK
GENERATIONS OF THE VARIABLE.

eX: dcl fieldx char(12) controlled;
allocate fieldx;
fieldx ="all clear?';
put file(printer) edit(fieldx)(x(5),A)

Can any one tell me that how we go for the compare,unit testing after changing requirement as per client request. this is very helpful for me when u give suitable (coading) exmple.

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