单项选择题
What is the result？（）
A.81
B.82
C.91
D.92
E.Compilation fails.
F.An exception is thrown at runtime.
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相关考题
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多项选择题
AteamofprogrammersisreviewingaproposedAPIforanewutilityclass.Aftersomediscussion，theyrealizethattheycanreducethenumberofmethodsintheAPIwithoutlosinganyfunctionality.Iftheyimplementthenewdesign，whichtwoprincipleswilltheybepromoting？（）
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"？（）
A.class Man extends Dog{}
B.class Man implements Dog{}
C.class Man{private BestFriend dog；}
D.class Man{private Dog bestFriend；}
E.class Man{private Dog；}
F.class Man{private BestFriend；} -
多项选择题
Which two， independently， will allow Sub to compile？（）
A.Change line 2 to：public int a；
B.Change line 2 to：protected int a；
C.Change line 13 to：public Sub（）{this（5）；}
D.Change line 13 to：public Sub（）{super（5）；}
E.Change line 13 to：public Sub（）{super（a）；}
