In Java, which of the following statements about the Interface Comparator is correct?Statements:It must be implemented by all the elements in a SortedSet.It defines a function that is used to compare two objects.It can be used to design the custom-ordering scheme.It is used to order the objects of user-defined classes.
Question
In Java, which of the following statements about the Interface Comparator is correct?Statements:It must be implemented by all the elements in a SortedSet.It defines a function that is used to compare two objects.It can be used to design the custom-ordering scheme.It is used to order the objects of user-defined classes.
Solution
The correct statement about the Interface Comparator in Java is:
- It defines a function that is used to compare two objects.
- It can be used to design the custom-ordering scheme.
- It is used to order the objects of user-defined classes.
The statement "It must be implemented by all the elements in a SortedSet" is incorrect. The Comparator interface is not required to be implemented by all elements in a SortedSet. Instead, a single Comparator can be used to define the ordering of elements in a SortedSet.
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