Eclipse Java 1.8

You are free to use whatever development environment you want, but CIS 121’ssupported IDE is Eclipse. This means the TAs will be able to provide the mosthelp on this IDE.

Eclipse Downloads   The Eclipse Foundation

Step 1: Install Java 8

Java

Open your browser and type Step 2) Click on 'Download' button. Step 4) Install Eclipse. Click on 'downloads' in Windows file explorer. Click on 'eclipse-inst-win64.exe' file. Step 8) Click on 'LAUNCH' button. Step 9) Click on 'Launch' button. Step 10) Click on 'Create a new Java project' link. As the Mars simultaneous release is going to be based on Eclipse 4.5, WindowBuilder needs to work properly when installed as a feature in an Eclipse 4.5 IDE. Community support The WindowBuilder team needs to continue supporting users who wish to use WB to create their Swing and SWT user interfaces as well as developers wishing to use WB as a.

  1. To run Eclipse, a Java Runtime Environment (JRE) must be installed. You canverify that you have the JDK 8 installed by running the `java -versioncommand (from the Command prompt in Windows or the terminal on Mac):

    You should see output similar to lines 2-4 above. Any higher version of Java 8 will also work for this class.

  2. If you do not have the JDK 8 installed, you can download it fromthis site.Select the version for your OS from the table titled “Java SE Development Kit8u171” (or whatever odd number it’s currently at). Do not download evennumbered one, as that one is not a safe build.

    Alternatively, if you are running on OS X and prefer Homebrew, you can usethat. Be sure to install Java 8. 11pm utc to ist.

    Note: It is best to do this step before installing Eclipse.

Step 2: Install Eclipse

1.8

We recommend that you use an Eclipse release version later than Eclipse “OXYGEN”, earlier versions will not work with the style checker. Make sure you have completedStep 1 before installing Eclipse.

  1. Visit the Eclipse download page
  2. Click on the link for your platform on the right side of the screen andinstall it by simply unpacking the downloaded file onto your desktop.
  3. Launch Eclipse.
  4. The first time you run Eclipse, you need to choose a workspace (a folder thatstores your projects).

Step 3: Make Sure Eclipse is Running Java 8

  1. Set Eclipse compiler to compliance level 1.8: Window $rightarrow$Preferences $rightarrow$ Java $rightarrow$ Compiler. Set the compliancelevel to 1.8.
  2. Set project compliance level: Click on the project you are working on in thepackage explorer, then Project $rightarrow$ Properties $rightarrow$Java Compiler. Set the compliance level to 1.8.
  3. Set default Eclipse JRE to Java 8: Window $rightarrow$ Preferences$rightarrow$ Java $rightarrow$ Installed JREs $rightarrow$ add$rightarrow$ Standard VM $rightarrow$ Directory (Find the installed JDK 8 version)
    • The usual location depends on your operating system. You may want tosearch online if you have issues with this step, or come to OH.
    • If you created a project before setting the default version to 1.8, youwill need to update your build path.
  4. Set Execution environment: Window $rightarrow$ Preferences $rightarrow$Java $rightarrow$ Installed JREs $rightarrow$ Execution Environment$rightarrow$ JavaSE-1.8
EclipseHome » Language IDEs » Java Development Tools (JDT) » Java Compiler Compliance Level 1.8(Can not try interfaces due to Compiler level)
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Java Compiler Compliance Level 1.8[message #1273126]Wed, 19 March 2014 14:58
Dominik Meyer
Messages: 3
Registered: March 2014
Dear forum
I struggle since two hours trying to get a first Java 8 interface to run.
The Eclipse Luna IDE 4.4M6 states: Error on 'default' delete this token.
I also can not set the compiler level to 1.8..
Does anybody know why I can not choose a new compiler level?
I have linked the Installed JRE 1.8 and both got JRE 1.8 and JDK 1.8 installed.
Anyone?
Thank you and best regards
Dominik
Re: Java Compiler Compliance Level 1.8[message #1273694 is a reply to message #1273126]Thu, 20 March 2014 11:44
Thomas Schindl
Messages: 6593
Registered: July 2009
Did you install the JDT feature patch? M6 does not by default come with
Java8 support.
Tom
On 19.03.14 08:51, Dominik Meyer wrote:
> Dear forum
>
> I struggle since two hours trying to get a first Java 8 interface to run.
>
> The Eclipse Luna IDE 4.4M6 states: Error on 'default' delete this token.
>
> I also can not set the compiler level to 1.8..
>
> Does anybody know why I can not choose a new compiler level?
>
> I have linked the Installed JRE 1.8 and both got JRE 1.8 and JDK 1.8
> installed.
>
> Anyone?
>
> Thank you and best regards
>
> Dominik
Re: Java Compiler Compliance Level 1.8[message #1273829 is a reply to message #1273694]Thu, 20 March 2014 15:55
Dominik Meyer
Messages: 3
Registered: March 2014
Uff, no, is there a installation instruction for that?
Re: Java Compiler Compliance Level 1.8[message #1273885 is a reply to message #1273829]Thu, 20 March 2014 17:30
Thomas Schindl
Messages: 6593
Registered: July 2009
https://wiki.eclipse.org/JDT/Eclipse_Java_8_Support_For_Kepler
I have a 4.4m6 build available which holds java8 support at
http://downloads.efxclipse.bestsolution.at/downloads/nightly/sdk/ it
holds many things so it might be appropriate for your needs so feel free
to use feature patches.
Tom
On 20.03.14 08:55, Dominik Meyer wrote:
> Uff, no, is there a installation instruction for that?
Re: Java Compiler Compliance Level 1.8[message #1275101 is a reply to message #1273885]Sat, 22 March 2014 13:56
Dominik Meyer
Messages: 3
Registered: March 2014
The first link served my question! Thank you very much
Dominik
Re: Java Compiler Compliance Level 1.8[message #1276999 is a reply to message #1275101]Tue, 25 March 2014 10:31
Jonathan Laval
Messages: 15
Registered: March 2014
Luna 4.4-I 2014-03-18 doesn't detect correctly java 1.8
Same result when I set -vm in eclipse.ini
Result javaFx disable..
Re: Java Compiler Compliance Level 1.8[message #1277181 is a reply to message #1276999]Tue, 25 March 2014 16:13
Thomas Schindl
Messages: 6593
Registered: July 2009
I builds themselves don't have any Java8 support yet! The download I
pointed to installs the feature patch available!
Tom
On 25.03.14 11:31, Jonathan Laval wrote:
> Luna 4.4-I 2014-03-18 doesn't detect correctly java 1.8
> Same result when I set -vm in eclipse.ini
> Result javaFx disable..
Re: Java Compiler Compliance Level 1.8[message #1434390 is a reply to message #1273885]Tue, 30 September 2014 03:13
Buminda Nawagamuwa
Messages: 1
Registered: September 2014
https://wiki.eclipse.org/JDT/Eclipse_Java_8_Support_For_Kepler
this link worked !!!
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