Sun Sample question #8

[Mukti Bajaj]

Hi,
SAMPLE QUESTION 8:
Which two statements are true for the class java.util.TreeSet? (Choose two.)
A.The elements in the collection are ordered.
B.The collection is guaranteed to be immutable.
C.The elements in the collection are guaranteed to be unique.
D.The elements in the collection are accessed using a unique key.
E.The elements in the collection are guaranteed to be synchronized
Answer: A,C
Mukti

[shabbir zakir]

SAMPLE QUESTION 8:
Which two statements are true for the class java.util.TreeSet? (Choose two.)
A. The elements in the collection are ordered.
B. The collection is guaranteed to be immutable.
C. The elements in the collection are guaranteed to be unique.
D. The elements in the collection are accessed using a unique key.
E. The elements in the collection are guaranteed to be synchronized
Answer: A,C
Mukti
HI!
According to me the correct answer is only A.

[Paul Anilprem]

TreeSet implements SortedSet (which extends from Set). Now you should know why C is correct.
HTH,
Paul.
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[bill bozeman]

Anytime something that has Tree in its class name, you can feel comfortable that they will be sorted. Tree's are in ascending order, like a tree.
Bill