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Introduction to EclipseIntroduction to EclipseEd Ed GehringerGehringerUsing (with permission) slides developed byUsing (with permission) slides developed by——
Dwight Deugo ([email protected])Dwight Deugo ([email protected])NesaNesa Matic (Matic ([email protected]@espirity.com))SreekanthSreekanth KonireddygariKonireddygari (IBM Corp.)(IBM Corp.)
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Overview of Eclipse Lectures
1. Overview2. Installing and Running3. Building and Running Java Classes4. Refactoring5. Debugging6. Testing with JUnit7. Version Control with CVS
1. Overview2. Installing and Running3. Building and Running Java Classes
Lecture 1
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Module Road Map
1. OverviewBackgroundArchitectureComponentsUsage scenarios
2. Installing and Running3. Building and Running Java Classes4. Refactoring5. Debugging6. Testing with JUnit7. Version Control with CVS
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Overview » What is Eclipse?
Eclipse is an open-source project http://www.eclipse.orgConsortium of companies, including IBMLaunched in November 2001Designed to help developers with specific development tasks
Consists of four separate projects:Eclipse ProjectEclipse Tools ProjectEclipse Technology ProjectEclipse Web Tools Platform Project
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Overview » IBM’s IDE History
1994VisualAge for Smalltalk
1996VisualAge for Java
2001Eclipse Project
VisualAge Micro Edition
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Overview » The Eclipse Platform Motivation
Application development tools construction supportIndependent tool vendors supportGUI and non-GUI application development supportNumerous content types support
Java, HTML, C, XML, ...Easy integration of toolsUse of Java language for writing the toolsMultiple operating systems support
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Overview » Plug-in Architecture
Eclipse Platform
Platform Runtime
…
Tool(plug-in)
Tool(plug-in)
Tool(plug-in)
Workbench
Workspace
Help
Team
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Overview » WorkbenchRepresents the desktop development environment
It contains set of tools for resource managementIt provides common way of navigating through the resources
Multiple workbenches can be opened at the same time
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Overview » Workspace
Represents users dataIt is a set of user-defined resources
FilesContain arbitrary number of bytes
FoldersContain other folders or files
ProjectsCollections of files and folders
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Overview » HelpUsed for creating and publishing documentationThere are two different documentation styles:
Help style documentation is published in the user guideAPI documentation is published in the programmer guide
Help content is in HTML formatHelp navigation is in XML format
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Overview » Team
Provides support for:Versioning Configuration managementIntegration with team repository
Allows team repository provider to hook into the environment
Team repository providers specify how to intervene with resources
Has optimistic and pessimistic locking support
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Overview » How is Eclipse Used?
As an IDE - Integrated Development Environment
Supports the manipulation of various content typesUsed for writing code
As a product baseSupported through plug-in architecture and customizations
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Overview » Eclipse as an IDE
Java Development Tooling (JDT) is used for building Java codeProvides set of workbench plug-ins for manipulating Java code
Java projects, packages, classes, methods, ....Java compiler is built in
Used for compiling Java codeCreates errors (special markers of code) if compilation fails
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Overview » Eclipse as a Product Base
Eclipse can be used as a Java product baseIts flexible architecture used as a product framework
Reuse plug-in architectureCreate new plug-insCustomize the environment
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Module Road Map1. Overview2. Installing and Running Eclipse
Where to get Eclipse?What is the support for Eclipse?Installing EclipseRunning Eclipse
3. Building and Running Java Classes4. Refactoring5. Debugging6. Testing with JUnit7. Version Control with CVS
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Installing and Running Eclipse » Getting Eclipse
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Installing and Running Eclipse » http://www.eclipse.org
Main point for finding Eclipse resourcesDownloadsArticlesDiscussion groupsBugs
Contains various resources for using EclipseContains references to other Eclipse related sites
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Installing and Running Eclipse »
Downloading Eclipse’s Install Zip File
Click on the Download from the main page on http://www.eclipse.org
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Installing and Running Eclipse » Installing Eclipse
Unzip the downloaded file to the directory of your choice
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Installing and Running Eclipse » eclipse.exe
Eclipse is run by double-clicking on the eclipse.exe file
The file is located in the Eclipse installation directory
If there is no path set for javaw.exe program, the following dialog will come up
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Installing and Running Eclipse » Missing a Java VM?
Download the latest Java Runtime Environment (JRE), http://java.sun.com/javase/downloads/index.jsp
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Installing and Running Eclipse » Running Eclipse
When Eclipse is run, a Workbench opens
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Installing and Running Eclipse » Default Workspace
The default workspace is created when Eclipse runs for the first time
The workspace is located under \workspace\directory of Eclipse installation directoryFor example c:\eclipse\workspace
The workspace contains user defined data –projects and resources such as folders and files
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Installing and Running Eclipse »Running Different Workspace …
It is possible to run workspace other than default
-data argument must be used with eclipse.exeWorkspace location must be specified
Useful for grouping project specific dataMultiple workspaces can run at the same time
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Installing and Running Eclipse »Running Different Workspace …
Customize your working directory by creating a shortcut identifying the eclipse.exe and the working directory
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Installing and Running Eclipse » Module Summary
In this module you have learned:What Eclipse is, its background and componentsHow Eclipse is usedHow to download, install and run EclipseHow to create and run multiple workspaces with Eclipse
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Module Road Map1. Overview2. Installing and Running3. Building and Running Java Classes
Developing Java applicationsProjects, packages, classesBrowsing Java codeSearching Java codeOrganizing Java codeUsing Code AssistRunning Java applicationsScrapbook
4. Refactoring5. Debugging6. Testing with JUnit7. Version Control with CVS
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Building and Running Java Classes »
Java Development Tooling - JDT
Eclipse’s Java Development Environment is often referred to as JDT – Java Development Tooling
Using the JDT you can do following with the Java programs:
WriteCompileTestDebug
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Building and Running Java Classes » Perspectives
When developing Java code commonly used perspectives are:
Java PerspectiveDesigned for working with Java projects
Java Browsing PerspectiveDesigned for browsing structure of Java projects
Java Type Hierarchy PerspectiveDesigned for exploring type hierarchy
Debug PerspectiveDesigned for debugging Java programs
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Building and Running Java Classes » Java Perspective
Contains:Editor areaPackage Explorer ViewHierarchy ViewOutline ViewProblems View
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Building and Running Java Classes »
Java Browsing Perspective
Contains:Editor areaProjects ViewPackages ViewTypes ViewMembers View
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Building and Running Java Classes »
Java Type Hierarchy Perspective
Contains editor area and Hierarchy View
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Building and Running Java Classes »
New Project Preferences
You can set global preferences for a projectSelect Window »Preferences to get Preferences ViewGood idea to separate your Java files into source and compiled directories (srcand bin)This action only needs to be done onceDone for all subsequent projects
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Building and Running Java Classes »
Creating Java Project
Project used to organize resources (source, class, icons) for a projectTo create Java project:
Select File » NewProject… from the menuThe New Project wizard comes upSelect Java ProjectClick Next
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Building and Running Java Classes » New Project Wizard
Specify Project NameClick Next
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Building and Running Java Classes » Java SettingsSpecify Java settings
Output folder (where compiled files will be stored)Click on Libraries tab to specify dependencies such as
External jar files project depends onClasses from other projects that are referenced in the project
Click Finish
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Building and Running Java Classes » Project Properties
You can change the Java build path at any time
Choose Properties from the context menu on the project
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Building and Running Java Classes » Creating Packages
Package contains Java class filesTo create a package for a project:
Select the project in the Package ExplorerChoose New » Packagefrom the context menuNew Java Package window appearsSpecify package nameClick Finish
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Building and Running Java Classes » Creating Classes
To create a class in a package:
Select the package in the Package ExplorerChoose New »Class from the context menuThe Class wizard comes upSpecify class details (Name, Modifiers & Superclass)Click Finish
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Exercise 1
Create a new Java application Project titled EgApp.Create a new Package csc517 in the Project EgApp.Create a new class titled MainClass with the main() method in the Package csc517.