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Revised: Sun Mar 27 18:44:45 CDT 2016
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This module contains review questions and answers keyed to the module titled Jb0110: Java OOP: Programming Fundamentals, Getting Started .
The questions and the answers are connected by hyperlinks to make it easy for you to navigate from the question to the answer and back again.
True or false? You need a special IDE to write Java code.
True or false? All of the software that you need to create, compile, and run Java programs is free.
True or false? Installing the Java JDK can be a little difficult.
True or false? Java is so easy that you don't need documentation to program using Java.
True or false? The most fundamental way to compile and run Java applications is from the command line.
Write a simple test program that can be used to confirm that the JDK is properly installed on your system.
This image was inserted here simply to insert some space between the questions and the answers to keep them from being visible on the screen at the same time.
The image is also an example of the kinds of things that we do in my course titled ITSE 2321,Object-Oriented Programming.
Here is another image that was inserted for the same purpose -- to insert space between the questions and the answers.
If you can compile and run the program code shown in Listing 1 , the JDK is probably installed properly on your computer.
| Listing 1 . A Java test program. |
|---|
class hello {
public static void main(String[]args){
System.out.println("Hello World");}//end main
}//end class |
True. Although a variety of IDEs are available that can be used to compile and run Java applications, the most fundamental way is to compile and run theprograms from the command line. A batch file in Windows, or the equivalent in other operating systems, can be of some help in reducing the amount of typingrequired to compile and run a Java application from the command line.
False. Java uses huge class libraries, which few if any of us can memorize. Therefore, it is very difficult to program in Java without access to thedocumentation for the JDK.
As of November 2012, several different types of Java documentation are available online at (External Link) .
True. Installing the Java JDK can be a little difficult depending on your experience and knowledge. As of November 2012, you will find installationinstructions at (External Link) .
True. You will need to download and install the free Java JDK from the Oracle/Sun website. As of November, 2012, you will find thatwebsite at (External Link)
False. You can write Java code using any plain text editor. You simply need to cause the output file to have an extension of .java.
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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