1. If the items stored in a collection are of different types, then the collecti

Question

1.

If the items stored in a collection are of different types, then the collection is referred to as ______.

Select one:

homogeneous

vector

dynamic

abstract

heterogeneous

2.

It is possible to restrict the type of object which is stored within a Java collection by using a generic type when the collection is declared.

Select one:

True

False

3.

Which statements are true? Select all that apply.

Select one or more:

A List cannot contain duplicate elements.

A List is a Collection.

A List is sometimes called a sequence.

Lists use zero-based indices.

4.

Which of the following implements the interface List? Select all that apply.

Select one or more:

Collections

Vector

ListIterator

ArrayList

LinkedList

Collection

5.

In order to input a list of values and output them in order, you could use a Queue. In order to input a list of values and output them in opposite order, you could use a Stack.

Select one:

True

False

Explanation / Answer

1. Dynamic

2. true

3. List is a collection

List is sometimes called as sequence

4. ArrayList

LinkedList

5. True

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