单项选择题
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；}
Which two， independently， will allow Sub to compile？（） ...
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）；}
Which five methods，inserted independently at line 5，wil...
Which five methods，inserted independently at line 5，will compile？（）
A.public int blipvert（int x）{return 0；} B.private int blipvert（int x）{return 0；} C.private int blipvert（long x）{return 0；} D.protected int blipvert（long x）{return 0；} E.protected long blipvert（long x）{return 0；} F.protected long blipvert（int x， int y）{return 0；}
What is the result？（） A.Compilation fails.B.atom granit...
What is the result？（）
A.Compilation fails. B.atom granite C.granite granite D.atom granite granite E.An exception is thrown at runtime. F.atom granite atom granite
