Question: suppose you have ql as integer queue with the following data (1,2,3,4,5,6), where 1 is at the front of the queue and ql is passed

 suppose you have ql as integer queue with the following data

suppose you have ql as integer queue with the following data (1,2,3,4,5,6), where 1 is at the front of the queue and ql is passed to a recursive method fl (), what the output of executing fl()? void fl( Lqueue q1) { System.out.print (ql.dequeue()); if (!ql.isEmpty) fil qi); } Select one: O a. 1,2,3,4,5,6 O b. 6,5,4,3,2,1 O c. method fo is not executable O d. 1,6,2,5,3,4

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