多项选择题
Given: Which two methods, inserted independently at line 17, correctly complete the Sales class?（）
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; }
单项选择题 Given: What is the result?（）
