QUESTION 1

The three types of collections supported by the Java Collections Framework (JCF) are named lists, sets, andmaps.

True

False

1 points

QUESTION 2

A data structure stores only data, and supports no operations for accessing and manipulating the data.

True

False

1 points

QUESTION 3

Examples of concrete implementations of the List interface are the ArrayList class and the LinkedList class are.

True

False

1 points

QUESTION 4

When using a stack of elements, the elements are accessed only from the top of the stack.

True

False

1 points

QUESTION 5

When choosing a list, if your application requires the insertion or deletion of elements from any place in the list, you should choose LinkedList.

True

False

1 points

QUESTION 6

When choosing a list, if your application does not require insertion or deletion of elements, the most efficient data structure is the array.

True

False

1 points

QUESTION 7

In Java, a collection is a container object that holds a group of objects, often referred to as elements.

True

False

1 points

QUESTION 8

The JCFs Stack class represents a last-in-last-out stack of objects.

True

False

1 points

QUESTION 9

When choosing a list, if you need to support random access through an index without inserting or removing elements from any place other than the end, ArrayList offers the most efficient collection.

True

False

1 points

QUESTION 10

When using a queue, elements are

appended to the beginning of the queue

removed from the end of the queue.

True

False