6
TreeMap class is used to implement which one of the following collection interfaces?
Answer: Option [B]
TreeMap class is used to implement SortedMap.
Answer: Option [B]
TreeMap class is used to implement SortedMap.
Answer: Option [D]
System.gc() is a program that runs for garbage collection. But it not reliable.
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Answer: Option [B]
Java packages resolves the name conflicts among different classes.
Answer: Option [D]
A package is a collection of classes, methods and interfaces.
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