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True or False?
A collections framework is a unified architecture for representing and manipulating collections. All collections frameworks contain three things. Those three things are:
What is the meaning of the following two images?
These images were inserted here simply to insert some space between the questions and the answers to keep them from being visible on the screen at thesame time.
This image was also inserted for the purpose of inserting space between the questions and the answers.
True according to The Java Tutorial from Oracle
False. Iterator is not a class. It is an interface. Therefore, it has no place in the given list of classes.
True. With respect to an earlier question, Collection and Map are the two top-level interfaces.
False. While the Iterator interface is heavily used in conjunction with collections, according to The Java Tutorial from Oracle, it is not one ofthe core collection interfaces.
True.
False. Object's references are always stored as type Object .
False. Primitive values cannot be stored in a collection without first encapsulating them in an object. (Standard wrapper classes are provided for encapsulating all primitive types.)
False. The collections in the framework always store references to objects, rather than storing the objects themselves.
True.
False. Collection is one of two top-level interfaces in the framework. The other top-level interface in the framework is named Map .
True.
If you answered A, you are probably reading an article on the wrong website by mistake. If you answered both B and C , then you are off to a good start on this module.
True.
This section contains a variety of miscellaneous information.
Financial : Although the Connexions site makes it possible for you to download aPDF file for this module at no charge, and also makes it possible for you to purchase a pre-printed version of the PDF file, youshould be aware that some of the HTML elements in this module may not translate well into PDF.
I also want you to know that, I receive no financial compensation from the Connexions website even if you purchase the PDF version ofthe module.
In the past, unknown individuals have copied my modules from cnx.org, converted them to Kindle books, and placed them for sale onAmazon.com showing me as the author. I neither receive compensation for those sales nor do I know who does receive compensation. If youpurchase such a book, please be aware that it is a copy of a module that is freely available on cnx.org and that it was made andpublished without my prior knowledge.
Affiliation : I am a professor of Computer Information Technology at Austin Community College in Austin, TX.
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