单项选择题
Given：
What is the result？（）
A.An Exception is thrown with no other output
B.followed by an Exception
C.Compilation fails due to an error on line 9
D.Compilation fails due to an error on line 14
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多项选择题
Given： Which code， inserted at line 4， guarantees that this program will output [1， 2]？（）
A.Set set = new TreeSet（）；
B.Set set = new HashSet（）；
C.Set set = new SortedSet（）；
D.List set = new SortedList（）； -
单项选择题
A programmer must create a generic class MinMax and the type parameter of MinMax must implementComparable. Which implementation of MinMax will compile？（）
A.
B.
C.
D.
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单项选择题
Given： A programmer iterates over the TreeSet and prints the name of each Drink object. What is the result？（）
A.Tea
B.Coffee
C.CoffeeTea
D.Compilation fails
