Page 1012 - AP Computer Science A, 7th edition
P. 1012
20. (C) Segment III is the only segment that works, since the for- each loop cannot be used to replace elements in an array. After the declaration
BingoCard[] players = new BingoCard[NUMPLAYERS];
each element in the players array is null. The intent in the given code is to replace each null reference with a newly constructed BingoCard.