mikepeterson825

Aug 2, 202314 min read

Oracle JDeveloper Java Edition: A Lightweight Version for Java and XML Development

Introduction

JDeveloper is a freeware IDE supplied by Oracle Corporation. It offers features for development in Java, XML, SQL and PL/SQL, HTML, JavaScript, BPEL and PHP. JDeveloper covers the full development lifecycle from design through coding, debugging, optimization and profiling to deploying.

JDeveloper is the main development platform for the Oracle Fusion Middleware suite of products. It is a cross-platform IDE that runs on Windows, Linux, Mac OS X, and other UNIX-based systems. Oracle JDeveloper provides a visual and declarative development approach and works together with the Oracle ADF to simplify development.

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Some of the key benefits of using JDeveloper are:

It supports multiple programming languages and technologies

It provides a consistent development environment for various technology stacks

It integrates with Oracle products and services such as WebLogic Server, TopLink, Coherence, Database, Cloud, etc.

It offers advanced features such as code assist, refactoring, debugging, profiling, testing, version control, etc.

It enables rapid development of rich web and mobile applications using ADF

To use JDeveloper, you need to have some prerequisites installed on your system. These include:

A JDK (Java Development Kit) version 7 or higher

An Oracle Database (optional but recommended)

An Oracle WebLogic Server (optional but required for deploying ADF applications)

You also need to check the system requirements for JDeveloper before installing it. These include:

A minimum of 2 GB RAM (4 GB or more recommended)

A minimum of 2 GB disk space (4 GB or more recommended)

A minimum screen resolution of 1024 x 768 pixels (1280 x 1024 pixels or higher recommended)

Downloading and Installing JDeveloper

To install JDeveloper on Windows, you need to download two files: File1 (2.1 GB) and File2 (2.1 GB). After downloading them, you need to run File1.exe as an administrator. This will launch the Oracle Universal Installer framework. You need to follow the instructions on the screen and select the installation directory, the JDK location, and the components to install. You can also choose to create a desktop shortcut and a start menu entry for JDeveloper. After the installation is complete, you can run File2.exe to install the additional components such as ADF, SOA, BPM, etc.

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To install JDeveloper on Linux, you need to download one file: File (3.1 GB). After downloading it, you need to unzip it to a directory of your choice. Then, you need to run the runInstaller script as root or with sudo privileges. This will launch the Oracle Universal Installer framework. You need to follow the same steps as for Windows installation and select the installation directory, the JDK location, and the components to install.

To install JDeveloper on Mac OS X, you need to download one file: File (3.1 GB). After downloading it, you need to mount it as a disk image and run the installer application. This will launch the Oracle Universal Installer framework. You need to follow the same steps as for Windows installation and select the installation directory, the JDK location, and the components to install.

To launch JDeveloper, you need to double-click on the JDeveloper icon on your desktop or start menu (Windows), or run the jdev script from the bin directory of your installation (Linux or Mac OS X). The first time you run JDeveloper, you will be prompted to select a role that best suits your development needs. You can choose from:

Default Role: This role provides access to all the features of JDeveloper

Java Developer Role: This role provides access to only the core Java and XML features of JDeveloper

Oracle ADF Developer Role: This role provides access to only the ADF features of JDeveloper

SOA Developer Role: This role provides access to only the SOA features of JDeveloper

Custom Role: This role allows you to customize your own set of features and preferences

You can change your role at any time from the Tools menu. For this article, we will use the Default Role.

Creating Your First Application

Now that you have installed and launched JDeveloper, you are ready to create your first application. An application in JDeveloper is a logical container for one or more projects. A project is a collection of source files, libraries, resources, and configuration files that define a unit of development.

To create a new application, you need to select File > New > Application from the main menu. This will open the Create Application wizard. You need to enter a name and a directory for your application. You can also choose a template for your application from a list of predefined templates such as Java Desktop Application, Java Web Application, ADF Fusion Web Application, etc. For this article, we will use the Custom Application template.

After creating your application, you need to create a project within it. To do so, you need to select File > New > Project from the main menu. This will open the Create Project wizard. You need to enter a name and a directory for your project. You can also choose a template for your project from a list of predefined templates such as Empty Java Project, Java Class Library Project, Java EE Web Project, etc. For this article, we will use the Empty Java Project template.

After creating your project, you need to create a simple Java class within it. To do so, you need to right-click on your project node in the Applications window and select New > Java Class from the context menu. This will open the Create Java Class wizard. You need to enter a name and a package for your class. You can also choose to generate some common methods such as constructors, getters and setters, toString, etc. For this article, we will name our class HelloWorld and put it in the default package.

After creating your class, you need to write some code in it. To do so, you need to double-click on your class node in the Applications window and edit it in the Editor window. You can use code assist (Ctrl+Space) and code templates (Ctrl+J) to help you write code faster and easier. For this article, we will write a simple code that prints "Hello World" to the standard output.

The code for our HelloWorld class is:

public class HelloWorld public static void main(String[] args) System.out.println("Hello World");

To run your class, you need to right-click on your class node in the Applications window and select Run from the context menu. This will compile and execute your class using the JDK that you specified during installation. You can see the output of your class in the Log window at the bottom of the JDeveloper IDE. You can also see the status of your run in the Run Manager window on the right side of the IDE. You should see something like this:

[Starting Java Project: HelloWorld] [Running: C:\Program Files\Java\jdk1.8.0_181\bin\java.exe -classpath C:\Users\user\JDeveloper\mywork\HelloWorldApp\HelloWorldProject\classes HelloWorld] Hello World [Finished running Java Project: HelloWorld]

Congratulations! You have successfully created and run your first Java application using JDeveloper.

Exploring the JDeveloper IDE

JDeveloper is a rich and powerful IDE that provides many features and tools to help you develop, debug, test, and deploy your applications. In this section, we will explore some of the main components and windows of the JDeveloper IDE and how to use them.

The JDeveloper IDE consists of several windows that can be docked, floated, resized, or hidden according to your preference. You can also customize the layout and appearance of the IDE using the View menu and the Preferences dialog. Some of the most important windows are:

The Applications window: This window shows the structure and contents of your applications and projects. You can use it to create, open, close, delete, rename, or organize your applications and projects. You can also use it to perform various actions on your files such as editing, running, debugging, testing, etc.

The Editor window: This window shows the source code or design view of your files. You can use it to write, edit, format, refactor, audit, or analyze your code. You can also use it to switch between different views such as Java Editor, XML Editor, HTML Editor, JSF Editor, etc.

The Structure window: This window shows the logical structure and hierarchy of your files. You can use it to navigate, select, or modify the elements of your files such as classes, methods, variables, tags, attributes, etc.

The Debugger window: This window shows the debugging information and tools for your applications. You can use it to set breakpoints, watch variables, evaluate expressions, step through code, etc.

The Profiler window: This window shows the profiling information and tools for your applications. You can use it to measure the performance, memory usage, CPU usage, thread activity, etc. of your applications.

The Code Editor window: This window shows the code editor features and tools for your files. You can use it to access code assist, code templates, code snippets, code folding, code formatting, etc.

You can access these windows from the main menu or from the toolbar icons. You can also use keyboard shortcuts to switch between them. For example, you can press F3 to go to the Applications window, F4 to go to the Structure window, F5 to go to the Debugger window, F6 to go to the Profiler window, and F7 to go to the Code Editor window.

Developing Web Applications with ADF

ADF stands for Oracle Application Development Framework. It is a Java EE framework that simplifies the development of enterprise applications. ADF provides a set of components and tools that enable you to create rich web and mobile applications using a visual and declarative approach. ADF also supports the Model-View-Controller (MVC) design pattern, which separates the business logic, the user interface, and the navigation logic of your applications.

Some of the key components and tools of ADF are:

ADF Business Components: These are reusable components that encapsulate the business logic and data access of your applications. You can use them to create entity objects, view objects, application modules, etc. that interact with various data sources such as databases, web services, XML files, etc.

ADF Faces: These are JSF (JavaServer Faces) components that provide rich user interface elements for your web pages. You can use them to create tables, trees, menus, charts, calendars, dialogs, etc. that support Ajax, partial page rendering, client-side validation, accessibility, etc.

ADF Data Controls: These are components that provide a bridge between your business components and your user interface components. You can use them to create data bindings that automatically populate your user interface components with data from your business components.

ADF Task Flows: These are components that define the navigation logic and the state management of your web pages. You can use them to create bounded or unbounded task flows that contain activities, control flows, view pages, regions, etc.

ADF Controller: This is a component that extends the JSF controller and provides additional features such as task flow execution, exception handling, transaction management, security, etc.

To create a simple web page with ADF, you need to follow these steps:

Create a JSF page in the ViewController project. To do so, right-click on the Web Content node in the Applications window and select New > JSF Page from the context menu. Enter a name for your page and choose a template if you want.

Add some ADF Faces components to your page. To do so, drag and drop them from the Component Palette window to the Design window or the Source window of your page. You can customize their properties and styles using the Property Inspector window or the Style Editor window.

Create a data control in the Model project. To do so, right-click on the Data Controls node in the Applications window and select New > Data Control from Database from the context menu. This will launch a wizard that will guide you through creating an entity object, a view object, and an application module based on a table or a query from your database.

Bind your data control to your page. To do so, drag and drop your data control from the Data Controls window to your page. This will create a data binding expression that will link your user interface component with your data source.

Create a task flow in the ViewController project. To do so, right-click on the Task Flows node in the Applications window and select New > Task Flow from the context menu. Enter a name for your task flow and choose a template if you want.

Add some activities and control flows to your task flow. To do so, drag and drop them from the Component Palette window to the Diagram window of your task flow. You can customize their properties and outcomes using the Property Inspector window.

Add your page to your task flow. To do so, drag and drop your page from the Web Content node in the Applications window to the Diagram window of your task flow. This will create a view activity that will display your page when the task flow is executed.

Run your task flow. To do so, right-click on your task flow node in the Applications window and select Run from the context menu. This will launch a web browser and display your page with the data from your data control.

Congratulations! You have successfully created and run your first web application using ADF.

Conclusion

In this article, you learned how to download and install JDeveloper, create your first application, explore some of the features of the IDE, and develop web applications with ADF. You also learned some of the benefits and components of JDeveloper and ADF.

JDeveloper is a powerful and versatile IDE that supports multiple programming languages and technologies. It provides a consistent development environment for various technology stacks. It integrates with Oracle products and services such as WebLogic Server, TopLink, Coherence, Database, Cloud, etc. It offers advanced features such as code assist, refactoring, debugging, profiling, testing, version control, etc. It enables rapid development of rich web and mobile applications using ADF.

ADF is a Java EE framework that simplifies the development of enterprise applications. It provides a set of components and tools that enable you to create rich web and mobile applications using a visual and declarative approach. ADF also supports the Model-View-Controller (MVC) design pattern, which separates the business logic, the user interface, and the navigation logic of your applications.

If you want to learn more about JDeveloper and ADF, you can visit the following links:

: The official website of Oracle JDeveloper

: The official website of Oracle ADF

: The official documentation of Oracle JDeveloper

: The official documentation of Oracle ADF

: The official blog of Oracle JDeveloper

: The official blog of Oracle ADF

: The official forum of Oracle JDeveloper

: The official forum of Oracle ADF

: The official YouTube channel of Oracle JDeveloper

: The official YouTube channel of Oracle ADF

FAQs

What is JDeveloper?

What is ADF?

How do I download and install JDeveloper?

To download JDeveloper, you need to visit the Oracle JDeveloper Software download page: . You need to accept the license agreement and select the version that matches your operating system. There are two editions of JDeveloper available: Studio Edition and Java Edition. To install JDeveloper on Windows, you need to download two files: File1 (2.1 GB) and File2 (2.1 GB). After downloading them, you need to run File1.exe as an administrator. This will launch the Oracle Universal Installer framework. You need to follow the instructions on the screen and select the installation directory, the JDK location, and the components to install. After the installation is complete, you can run File2.exe to install the additional components such as ADF, SOA, BPM, etc. To install JDeveloper on Linux or Mac OS X, you need to download one file: File (3.1 GB). After downloading it, you need to unzip it to a directory of your choice. Then, you need to run the runInstaller script as root or with sudo privileges. This will launch the Oracle Universal Installer framework. You need to follow the same steps as for Windows installation and select the installation directory, the JDK location, and the components to install.

How do I create and run my first application in JDeveloper?

To create your first application in JDeveloper, you need to select File > New > Application from the main menu. This will open the Create Application wizard. You need to enter a name and a directory for your application. You can also choose a template for your application from a list of predefined templates such as Java Desktop Application, Java Web Application, ADF Fusion Web Application, etc. After creating your application, you need to create a project within it. To do so, you need to select File > New > Project from the main menu. This will open the Create Project wizard. You need to enter a name and a directory for your project. You can also choose a template for your project from a list of predefined templates such as Empty Java Project, Java Class Library Project, Java EE Web Project, etc. After creating your project, you need to create a simple Java class within it. To do so, you need to right-click on your project node in the Applications window and select New > Java Class from the context menu. This will open the Create Java Class wizard. You need to enter a name and a package for your class. You can also choose to generate some common methods such as constructors, getters and setters, toString, etc. After creating your class, you need to write some code in it. To do so, you need to double-click on your class node in the Applications window and edit it in the Editor window. You can use code assist (Ctrl+Space) and code templates (Ctrl+J) to help you write code faster and easier. To run your class, you need to right-click on your class node in the Applications window and select Run from the context menu. This will compile and execute your class using the JDK that you specified during installation. You can see the output of your class in the Log window at the bottom of the JDeveloper IDE.

How do I develop web applications with ADF?

To develop web applications with ADF, you need to create an ADF Fusion Web Application in JDeveloper. To do so, you need to select File > New > Application from the main menu and choose the ADF Fusion Web Application template. This will create an application with two projects: a Model project and a ViewController project. The Model project contains the business components and the data controls of your application. The ViewController project contains the user interface components and the task flows of your application. To create a simple web page with ADF, you need to follow these steps: 1) Create a JSF page in the ViewController project. To do so, right-click on the Web Content node in the Applications window and select New > JSF Page from the context menu. Enter a name for your page and choose a template if you want. 2) Add some ADF Faces components to your page. To do so, drag and drop them from the Component Palette window to , drag and drop them from the Component Palette window to the Diagram window of your task flow. You can customize their properties and outcomes using the Property Inspector window. 7) Add your page to your task flow. To do so, drag and drop your page from the Web Content node in the Applications window to the Diagram window of your task flow. This will create a view activity that will display your page when the task flow is executed. 8) Run your task flow. To do so, right-click on your task flow node in the Applications window and select Run from the context menu. This will launch a web browser and display your page with the data from your data control.

I hope you enjoyed this article and learned something new about JDeveloper and ADF. If you have any questions or feedback, please feel free to leave a comment below. Thank you for reading! 44f88ac181

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