Which of the following is a generic interface in the Java Collection Framework?Question 3Answera.Listb.Setc.Mapd.Iterable
Question
Which of the following is a generic interface in the Java Collection Framework?Question 3Answera.Listb.Setc.Mapd.Iterable
Solution 1
All of the options provided (List, Set, Map, Iterable) are generic interfaces in the Java Collection Framework.
Here's a brief explanation of each:
a. List: The List interface is an ordered collection that can contain duplicate elements. You can access elements by their index in the list.
b. Set: The Set interface is a collection that cannot contain duplicate elements. This interface models the mathematical set abstraction.
c. Map: The Map interface maps unique keys to values. A key is an object that you use to retrieve a value at a later date.
d. Iterable: The Iterable interface is the root interface for all the collection classes. The Collection interface extends the Iterable interface and therefore all the subclasses of Collection interface also implement the Iterable interface. It is used to iterate the elements in the collection.
Solution 2
All of the options provided (List, Set, Map, Iterable) are generic interfaces in the Java Collection Framework.
Here's a brief explanation of each:
a. List: The List interface is an ordered collection that can contain duplicate elements. You can access elements by their index in the list.
b. Set: The Set interface is a collection that cannot contain duplicate elements. This interface models the mathematical set abstraction and is used to represent sets, such as the cards comprising a poker hand, the courses making up a student's schedule, or the processes running on a machine.
c. Map: The Map interface maps unique keys to values. A key is an object that you use to retrieve a value at a later date. It's a bit different from the rest as it doesn't inherit from the Collection interface but it's part of the collections framework.
d. Iterable: The Iterable interface is the root interface for all the collection classes. The Collection interface extends the Iterable interface and therefore all the subclasses of Collection interface also implement the Iterable interface. It allows an object to be the target of the "foreach" statement.
So, all of them are generic interfaces in the Java Collection Framework.
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