多项选择题
A team of programmers is reviewing a proposed API for a new utility class.After some discussion， they realize that they can reduce the number of methods in the API without losing any functionality.If they implement the new design， which two principles will they be promoting？（）
A.Looser coupling B.Tighter coupling C.Lower cohesion D.Higher cohesion E.Weaker encapsulation F.Stronger encapsulation
单项选择题 WhichManclassproperlyrepresentstherelationship"ManhasabestfriendwhoisaDog"？（）
多项选择题 Which two， independently， will allow Sub to compile？（）
多项选择题 Which five methods，inserted independently at line 5，will compile？（）
