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Getting started with Java programming

As is the case with many worthwhile endeavors, Java programming requires that you have some tools to begin. Fortunately, all of the software tools that youwill need to get started programming in Java are available for free downloading.

In addition to a computer with web access, you will need:

  • The Java Development Kit (JDK) and Java Runtime Engine (JRE)
  • The Java API documentation
  • A suitable text editor

The JDK and the JRE

The JDK, the JRE, and the API documentation are all freely available from Oracle. As of January 2016, you will find links to the documentation on the webpage titled Java Platform Standard Edition 8 Documentation . (The links given in this module may change as new versions of Java are released, but newer versions shouldn't be too difficult to locate with a websearch.)

Download

The JDK and the included JRE can be downloaded from (External Link) That page provides several download options. Beginners should download the Java Platform (JDK) for the latest released version. (The JRE is included in the JDK package, so you don't need to download both.)

Install

You will also probably need to follow the installation instructions for your computer. Pay particular attention to the instructions for setting the path and classpath environment variables. This is where many students stumble. Another usefuldocument on the path and classpath is available at (External Link)

The Java API documentation

The Java Platform, Standard Edition 8 API Specification is available here . You should be able to find the documentation for later versions with a web search.

Also see my Java OOP documentation module for instructions on how to use the documentation.

A suitable text editor

The module titled Jb0110: Java OOP: Programming Fundamentals, Getting Started explains how to use a text editor to create Java program code. Just about any text editor willdo as long as you can ensure that the file name extension is .java. Something as simple as Windows Notepad or Windows WordPad would probably be best for your first few simple programs.

Soon, however, you will probably want to upgrade to an editor that uses different colors to identify the different parts of your program. My favoritecolor-coded editor is the free version of JCreator . (The free version seems to have disappeared from their web page so you may have trouble finding it.)

Another free editor is DrJava . An advantage of this editor is that it can be run from a USB drive with no installation required. Anotherpossibility, although I have never had occasion to use it, is jGRASP . Numerous other Java color-coded editors, including BlueJ are available for free downloading on the web.

Miscellaneous

This section contains a variety of miscellaneous information.

Housekeeping material
  • Module name: Jy0010: Preface to Object-Oriented Programming (OOP) with Java
  • File: Jy0010.htm
  • Published: 11/16/12
  • Revised: 01/09/16
Disclaimers:

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-

Questions & Answers

Application of nanotechnology in medicine
what is variations in raman spectra for nanomaterials
Jyoti Reply
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
Damian
yes that's correct
Professor
I think
Professor
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
How we are making nano material?
LITNING Reply
what is a peer
LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
what is differents between GO and RGO?
Mahi
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
Rafiq
if virus is killing to make ARTIFICIAL DNA OF GRAPHENE FOR KILLED THE VIRUS .THIS IS OUR ASSUMPTION
Anam
analytical skills graphene is prepared to kill any type viruses .
Anam
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
research.net
kanaga
sciencedirect big data base
Ernesto
Introduction about quantum dots in nanotechnology
Praveena Reply
hi
Loga
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
Bharti
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Source:  OpenStax, Object-oriented programming (oop) with java. OpenStax CNX. Jun 29, 2016 Download for free at https://legacy.cnx.org/content/col11441/1.201
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