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Revised: Fri Jun 03 14:06:45 CDT 2016
This page is included in the following Books:
This is a page from the book titled The json-simple Java Library . The book explains how to use the json-simple Java library to generate, transform, and query JSON text. This page provides review questionsand answers for the page titled Json0200 The What and Why of JSON . Once you study that page, you should be able to answer the review questions in this page.
The questions and the answers in this page are connected by hyperlinks to make it easy for you to navigate from the question to the answer and back again.
The Figures and Listings (if any) are grouped together. It is recommend that when a question or an answer refers to a Figure or a Listing, that you open it in a new window tomake it easy to view it while reading the question or the answer.
True or False? JSON is an acronym for "Java Object Names."
True or False? JSON is based on a subset of the JavaScript Programming Language.
True or False? JSON is a text format that is language independent but uses conventions that are familiar to programmers of the C-family of languagesincluding C, C++, C#, Java, JavaScript, Perl, Python, Visual Basic, and many others.
True or False? JSON is part of the JavaScript programming language.
True or False? JSON can represent three structured types: objects, arrays, and conditionals.
True or False? Figure 1 shows a JSON text string containing name/value pairs as well as nested arrays.
True or False? JSON is important in the implementation of Big Data NoSQL databases such as MongoDB and Couchbase .
True or False? This book is intended to teach you about JSON.
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.
False. This book is not intended to teach you about JSON. There are numerous tutorials on the web that you can access for that purpose. This book is intendedto teach you how to use the json-simple Java library, (which is one of several available libraries), to parse, generate, transform, and query JSON.
True. According to the InfoWorld article of August 25, 2014, "Several NoSQL databases -- including the wildly successful MongoDB and Couchbase -- store data in JSON documents natively."
True.
False. According to the online document titled Java API for JSON Processing: An Introduction to JSON , "JSON can represent two structured types: objects and arrays. An object is an unordered collection ofzero or more name/value pairs. An array is an ordered sequence of zero or more values. The values can be strings, numbers, booleans, null, and these twostructured types."
False. It is important to note that even though JSON is based on JavaScript syntax, JASON is not JavaScript nor is it any other programming language. Infact, it is not a programming language at all. JSON is simply "a lightweight, text-based, language-independent data exchange format" -- nothing more and nothing less.
False. Visual Basic is not based on the C-family of languages. Visual Basic is based on the BASIC programming language that came into existence in 1964. The C programming language came into existence independently in 1972.
True.
False. According to the online document titled Introducing JSON . "JSON (JavaScript Object Notation) is a ...".
This section contains Figures that may be referred to by one or more questions or answers. These Figures may also be helpful as reference materialfor answering the questions.
{
"game":[
{"cards":[
"2-club","3-heart","4-diamond","5-spade"],"name":"Tom"
},{"cards":
["4-heart","5-heart","6-club","7-diamond"
],
"name":"Joe"}
]} 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.
-end-
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