单项选择题
Given:
What, inserted at line 39, will sort the keys in the props HashMap?()
A.Arrays.sort(s);
B.s = new TreeSet(s);
C.Collections.sort(s);
D.s = new SortedSet(s);
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A.2 -1
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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, 609, 610, 612] [608, 610]
D.[608, 609, 610, 612] [608, 609, 610]
E.[606, 608, 609, 610, 612] [608, 610]
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单项选择题
Given: What is the result?()
A.2.1.0
B.2.1.1
C.3.2.1
D.3.2.2
