7/7/2014 How to Install Eclipse in Windows

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This tutorial explains you ‘How to Install Eclipse in Windows’ or ‘How to Install Eclipse in Windows 7’ for Writing,

Compiling and Testing your code.

Tools & Technologies Used:

1. Java SE 7 – JDK/JRE

2. Eclipse Juno – Version 4.2 as of this tutorial writing

Step 1: Install Java JDK/JRE:

Install the JRE, in order to use the Eclipse IDE.

You can check the Java installation instructions at – ‘How to Install Java on Windows’.

Step 2: Download Eclipse:

1. After the Java SE installation is completed, download the Eclipse from ‘Eclipse Download’ site.

2. Download the latest version of ‘Eclipse IDE for Java Developers’ – Windows 64 Bit for Windows 7 Operating

System

The latest version of ‘Eclipse IDE for Java Developers’ shows up on top of the list in the Download page.

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3. When you click on the Windows 64 Bit, that will take you to the download mirror site

4. Download from mirror site, to a location in your machine.

Step3: Install Eclipse:

1. I downloaded ‘Eclipse_Juno_4.2’ into:C:Developmenteclipse folder.

2. Eclipse is the folder where I have different eclipse versions.

3. Click on the ‘eclipse-jee-juno-SR1-win32-x86_64.zip’ file and extract the contents to a folder on to your

machine. You can choose any folder to extract this package.

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4. So I named the folder as Eclipse_Juno_4.2.

Note: You can have older version of eclipse and a newer version of eclipse on the same machine by placing the

eclipse in different folders. See image above.

5. Your extracted eclipse folder looks like this.

Step4: Eclipse Desktop Shortcut:

1. Now go to your Eclipse folder and create ‘Eclipse Desktop Shortcut’ icon for the ease of access.

2. Right mouse click on ‘Eclipse.exe’ -> Send to -> Desktop (create shortcut)

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Step5: Launch Eclipse:

1. Double click on the ‘Eclipse.exe’ file from the Eclipse_Juno_4.2 folder or the desktop shortcut that you may have

created from.

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2. After the Eclipse is Launched, Eclipse will ask you to select the Workspace to use.

3. Eclipse stores your projects in a folder called a Workspace.

4. Select the Eclipse default Workspace or change it to different folder where you want the Workspace to be created.

5. Once you are decided with the Workspace location (Example:C:\Users\username\workspace\JavaPractice),

then click on OK button.

6. Now the Eclipse launches with Welcome screen -> see image below

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7. Now close the ‘Welcome’ screen, or click on the ‘Workbench’ icon that is on the top right most corner.

You will see the following ‘Eclipse Workbench Window’ in order to start coding.

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Tip:Reset Perspective

In some instances your eclipse workbench may be different than above screen, or you may be mistakenly clicked on

the close icon of the tabs in eclipse and you would want to reset back to original Workbench perspective, then click

on the ‘Window’ button on the top of the screen and click on the select action – ‘Reset Perspective’. That resets the

eclipse to default Workbench.

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Step 6: Create Java Project in Eclipse

1. If this is the first time you are creating a project in eclipse, choose “File” menu =>”New” => “Project”

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2. You will see a “New Project” dialog

3. Select “Java Project” => Click on “Next”

4. It takes you to “New Java Project” dialog

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5. In the “Project name” field => enter “JavaPractice”

6. Check “Use default location”

7. In the “JRE” section, Check “Use default JRE (currently ‘jdk1.7.0_09′)”

8. Click “Next”

Note: The default JRE you see here is same as the one, when we installed from, ‘How to Install Java on Windows’.

9. Click “Next” and Click “Finish”

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10. Your “Package Explorer” looks like this

Step 7: Write a Hello World Java Program

1. In the “Package Explorer” => Right click on the “src” folder =>New=> Class

2. “New Java Class” window opens

3. In “Package” field => enter any package name (helloworld) or leave as is to select the default package

4. In “Name” field =>enter “HelloWorld” => This is the java class name

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5. Click “Finish”

6. HelloWorld class file opens on the new panel

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Step 8: Compile the Java Program

Eclipse automatically compiles the Java statements. This is because of the “Build Automatically” option checked in

Eclipse. You can un-check this option if you want to compile and build the code manually using “Ctrl+B”.

Step 9: Execute the Java Program

To run the program, right click on the source file “HelloWorld.java” ⇒ Choose “Run As” ⇒ “Java Application”.

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You can see the output on Console.

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