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
相关考题
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单项选择题
Given: What is the result?()
A.Compilation fails.
B.An exception is thrown at runtime.
C.[608, 610, 612, 629] [608, 610]
D.[608, 610, 612, 629] [608, 610, 629]
E.[606, 608, 610, 612, 629] [608, 610] -
单项选择题
Given: What is the result?()
A.[1, 2, 3, 5]
B.[2, 1, 3, 5]
C.[2, 5, 3, 1]
D.[5, 3, 2, 1]
E.[1, 3, 5, 2] -
单项选择题
Given: Which statement is true?()
A.Compilation fails because the hashCode method is not overridden.
B.A HashSet could contain multiple Person objects with the same name.
C.All Person objects will have the same hash code because the hashCode method is not overridden.
D.If a HashSet contains more than one Person object with name="Fred", then removing another Person,also with name="Fred", will remove them all.
