Introduction To JDeveloper

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Introduction To JDeveloper

• Chris Bowlds
• Senior Oracle Consultant
• chris.bowlds_at_casetech.net
• www.casetech.net
• www.chrisbowlds.com

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Agenda

• JDeveloper product overview
• From download to deploy
• Obtaining JDeveloper
• Installing JDeveloper
• Develop and debug Java applications
• Develop and debug Java web applications
• Deploy Java web applications

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JDeveloper product overview

• JDeveloper is a Java Integrated Development
  Environment (IDE) from Oracle Corporation.
• Develop any type of Java
• Applications
• Web Applications
• Applets
• Wireless Applications
• Integrated, and featuring embedded version of,
  Oracle Objects for J2EE (OC4J).

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Obtaining JDeveloper

• Download from Oracle TechNethttp//technet.oracle
  .com/software/products/jdev/content.html
• Version 9.0.3.2 details
• Download zip 151 MB
• Installed 264 MB
• So, have 415 MB free at the very least before you
  start

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Installing JDeveloper

• Unzip all files into d\JDev(or another drive or
  directory thats what I use)
• Make sure to use folder names from the zip file
• Make a shortcut on your desktop
  tod\JDev\jdev\bin\jdevw.exe
• The easiest Oracle install ever!

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A First Look

• Start JDeveloper (and wait for it to start), and
  youll see
• A welcome screen, with links to documentation
• An empty System Navigator in the upper left,
  showing
• Workspaces
• Connections

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Workspaces and Projects

• Workspaces
• Group related projects
• File extension .jws
• Projects
• Group related source files (.java, .class,
  .jar, .jsp, etc.)
• File extension jpr
• Store settings, such as compiler options

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Create a Workspace and Empty Project

• Right click Workspaces -gt New Workspace
• Fill in a workspace location and name
• Leave Add a New Empty Project checked
• Fill in a project location and name

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Create a Workspace and Empty Project
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Add Files To A Project

• Highlight the Project, right click -gt New Class
• Pick a name, package, and other details
• Make sure Generate a Main Method is
  checked(since were building a Java application
  first)

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Add a Class to a Project
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Code, Compile and Run

• Add a method and call it
• Compile AltF9 or Project-gtRebuild ...
• Run F11 or Run-gtRun ...

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Breakpoints and Debugging

• Set a breakpoint F5 or click the gutter
• Run in debug modeShift F9 or Debug-gtDebug ...
• Step over F8
• Step in F7
• Step out ShiftF7
• Run to next breakpoint F9
• Demonstration

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Creating a Web Application Project

• Right click a workspace -gt "New Project
• General-gtProjects Project Configured for a New
  Web Module

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Creating a Web Application Project

• Step through the wizard
• Directory Name, File Name, Document Root

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Add a Servlet

• Right click project-gtNew
• Web Tier-gtServlets HTTP Servlet
• Right click web.xml-gtSettings, add a
  servlet-mapping

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Add a Servlet
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Add a Servlet
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Code, Compile and Run

• Customize the generated code
• Compile AltF9 or Project-gtRebuild
• Run F11 or Run-gtRun ...
• An embedded OC4J server is started and web
  browser launched, making the web app run
  completely from your computer!

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Code, Compile and Run
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Breakpoints and Debugging

• Works for web applications due to embedded OC4J
  integration.
• Set breakpoints and step through code just like
  before.
• Breakpoints will be hit every time code runs
  every time you refresh the browser.

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Project Settings

• Contain project wide defaults, paths, compiler
  options, and other settings.
• You'll need to know this if your code depends on
  other JAR files
• Just double click your project, or right click -gt
  Project Settings

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Deploying an Application

• Highlight the project, right click-gtNew
• General-gtDeployment Profiles JAR File - Simple
  Archive
• Save as TestApplication.deploy
• Fill in dialog
• JAR Options gt Main class name
  net.casetech.otsig.jdevintro.TestApplication
• Right click .deploy file-gtDeploy to JAR file
• Run it java -jar TestApplication.jar

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Deploying an Application
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Deploying an Application
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Deploying a Servlet

• Highlight the project, right click-gtNew
• General-gtDeployment Profiles WAR File - J2EE Web
  Module
• Save as TestWebapp.deploy
• Accept defaults in dialog, press OK
• Right click .deploy file-gtDeploy to WAR file
• Tomcat deploy
• Copy WAR file to webapps directory and start
  Tomcat.
• OC4J deploy
• Right click-gtDeploy to-gt...
• Run with OC4J
• http//localhost8888/Test-TestWebapp-context-root
  /TestServlet

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Deploying a Servlet
Accept defaults in WAR Deployment Profile
Settings
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Contact Information
Chris Bowlds chris.bowlds_at_casetech.net www.chrisb
owlds.com
202 543 4499
GSA IT Schedule GS-35F-0605M
www.casetech.net