By Carl Albing
Linux is the fastest-growing Java improvement platform since it saves time and cash through serving as a platform for either improvement and deployment. yet builders face major platform-specific demanding situations whilst dealing with and deploying Java purposes in a managed construction atmosphere.
Written for Java and Linux builders alike, Java™ software improvement on Linux® is the hands-on consultant to the whole Java program improvement lifecycle on Linux.
Determined to spare different builders hours of trial and blunder, Albing and Schwarz exhibit the platform, instruments, and alertness improvement by way of exhibiting sensible, easy-to-follow examples. After an easy command-line software introduces easy instruments, this software leads readers via business-logic item research, database layout, Java servlet UIs, Java Server Pages (JSP) UIs, Swing GUIs, and traditional Widget Toolkit (SWT) GUIs. Scaling as much as the firm point offers the chance to exploit either the JBoss program Server and the Apache Geronimo software Servers, and firm JavaBeans (EJB).
Readers find out how to
- Use improvement instruments to be had on Linux, resembling the GNU Compiler for Java (gcj), Ant, the NetBeans IDE, IBM's Eclipse Java IDE, JUnit, and SunONE Studio
- Develop enterprise common sense layers utilizing Java DataBase Connectivity (JDBC)
- Add an internet interface utilizing servlets and JSPs
- Add a GUI utilizing Sun's summary Window Toolkit (AWT) and IBM's SWT
- Deploy EJBs in Linux
The authors finish via demonstrating how a hierarchy of budgets should be created, tracked, and shared with Concurrent models process (CVS).
A better half site comprises all resource code and a hyperlink to every instrument described.
Java™ software improvement on Linux® can propel you from a status begin to the full-speed improvement and deployment of Java purposes on Linux.
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Additional resources for Java application development on Linux
There is no “extension,” it’s all just part of the filename. java are simply the last two characters or the last five characters, respectively, of the filenames. That said, certain programs will insist on those endings for their files. class—but there is no special part of the filename to hold this. This will prove to be very handy, both when you name your files and when you use patterns to search for files (see below). 4 Permissions Permissions in Linux are divided into three categories: the owner of a ﬁle (usually the user who created it), the group (a collection of users), and others, meaning everyone who is not the owner and not in the group.
Of these, perhaps the most important to know (especially for Java programmers) is how to deal with shell variables. NOTE We’ll be describing the syntax for bash, the default shell on most Linux distributions. The syntax will differ for other shells, but the concepts are largely the same. Any string of alphanumeric or underscore characters can be used as the name of a variable. By convention shell variables typically use uppercase names—but that is only convention (although it will hold true for most if not all of our examples, too).
Is a pattern-matching character to the shell. 30 Chapter 1 An Embarrassment of Riches: The Linux Environment There are other help systems available, such as info and some GUI-based ones. But man provides some of the quickest and most terse help when you need to check the syntax of a command or ﬁnd out if there is an option that does what you need. 4 REVIEW We’ve looked at commands that will show you where ﬁles are in your directory structure, show ﬁles’ permissions and sizes, change the permissions, show you what is in a ﬁle, look for ﬁles by searching for strings, and look for ﬁles based on names or other properties.