A PL/I programmer wants to repeat an instruction 5 times. How can he/she code this?
REPEAT 5 TIMES;instruction;END;
DO J=1 TO 5;instruction;END;
COUNTER = 1;DO WHILE COUNTER < 5;COUNTER = COUNTER + 1;instruction;END;
REPEAT VARYING COUNTER FROM 1 BY 1 UNTIL COUNTER = 5;instruction;END;