試題詳解

複選題
67 
Which two methods, inserted independently at line 17, correctly complete the Sales class? (Choose two.)
(A) double getSalesAmount() { return 1230.45; }
(B) public double getSalesAmount() { return 1230.45; }
(C) private double getSalesAmount() { return 1230.45; }
(D) protected double getSalesAmount() { return 1230.45; }