单项选择题
Given: Which method will complete this class?（）
A.public int compareTo(Object o){/*more code here*/} B.public int compareTo(Score other){/*more code here*/} C.public int compare(Score s1,Score s2){/*more code here*/} D.public int compare(Object o1,Object o2){/*more code here*/}
单项选择题 Given: What is the result?（）
单项选择题 Click the Exhibit button. What is the result?（）
多项选择题 Given: Which two methods, inserted independently at line 17, correctly complete the Sales class?（）
