Eclipse Oxygen Java Version

In Eclipse with Java 9 Support for Oxygen (see below), you can open the type in a JavaSE-9 JRE and perform Show In Package Explorer. Inside the 'JRE System Library' node, the Package Explorer will show the module in which that type resides. For MacBook Pro users (e.g. Running macOs Sierra v10.12.6), in order to install lombok on Eclipse Oxygen (4.7.0) or Photon (4.8.0), using Java 1.8 (1.8.0144), just do the following actions. Download lombok from the site Project Lombok;; Close your Eclipse IDE if it is open; Trigger lombok installation either by following the official installation steps or by executing the command: java -jar.

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Installing Eclipse is relatively easy, but does involve a few steps and software from at least two different sources. Eclipse is a Java-based application and, as such, requires a Java Runtime Environment or Java Development Kit (JRE or JDK) in order to run.

Note that on recent versions of Mac, a full JDK needs to be installed, not just a JRE; see instructions below.

Install a JVM

The latest release of Eclipse requires a 64-bit JVM, and does not support a 32-bit JVM.


Current releases of Eclipse require Java 11 JRE/JDK or newer.


If you are using Eclipse to do Java development, or are on macOS, install a JDK.In all cases, Eclipse requires a 64-bit JVM

A Java Development Kit (JDK) includes many useful extras for Java developers including the source code for the standard Java libraries.


Regardless of your operating system, you will need to install some Java virtual machine (JVM). You may either install a Java Runtime Environment (JRE), or a Java Development Kit (JDK), depending on what you want to do with Eclipse. If you intend to use Eclipse for Java development, then you should install a JDK. If you aren't planning to use Eclipse for Java development and want to save some disk space, install a JRE.

  • If you're using Windows, you may already have a JRE installed, but upgrading usually won't hurt.
  • If you're using Mac, and you don't have a JDK installed, you may get a bogus message from the OS stating that you should 'install the legacy Java SE 6 runtime'. Installing that will not solve the problem, because recent versions of Eclipse require a higher version. If you install just a JRE, and not a full JDK, that error message will persist. You must install a full JDK.
  • If using Linux, read this
    • GCJ will NOT work.

Eclipse 4.19 (2021-03)

Eclipse 4.19 (2021-03) was released on March 17, 2021. It is the supported release.

Download

A Java 11 or newer JRE/JDK is required, LTS release are preferred to run all Eclipse 2021-03 packages based on Eclipse 4.19, with certain packages choosing to provide one by default. The Installer now includes a JRE. Consider using the Installer. Please see 5 Steps to Install Eclipse.

Eclipse 4.18 (2020-12)

Eclipse 4.18 (2020-12) was released on December 16, 2020.

A Java 11 or newer JRE/JDK is required, LTS release are preferred to run all Eclipse 2020-12 packages based on Eclipse 4.18, with certain packages choosing to provide one by default. The Installer now includes a JRE. Consider using the Installer. Please see 5 Steps to Install Eclipse.

Eclipse 4.17 (2020-09)

Eclipse 4.17 (2020-09) was released on September 16, 2020.

Consider using the Installer. Please see 5 Steps to Install Eclipse.

A Java 11 or newer JRE/JDK is required, LTS release are preferred to run all Eclipse 2020-09 packages based on Eclipse 4.17, as well as the Installer.

Eclipse 4.16 (2020-06)

Eclipse 4.16 (2020-06) was released on June 17, 2020.

Consider using the Installer. Please see 5 Steps to Install Eclipse.

A Java 8 or newer JRE/JDK is required, LTS release are preferred to run all Eclipse 2020-06 packages based on Eclipse 4.16, as well as the Installer.

Eclipse 4.15 (2020-03)

Eclipse 4.15 (2020-03) was released on March 18, 2020.

A Java 8 or newer JRE/JDK is required, LTS release are preferred to run all Eclipse 2020-03 packages based on Eclipse 4.15, as well as the Installer.

Eclipse 4.14 (2019-12)

Eclipse 4.14 (2019-12) was released on December 18, 2019. See Eclipse 2019-12 schedule.

Consider using the Installer. Please see 5 Steps to Install Eclipse.

A Java 8 or newer JRE/JDK is required to run all Eclipse 2019-09 packages based on Eclipse 4.14, as well as the Installer.

Eclipse 4.13 (2019-09)

Eclipse 4.13 (2019-09) was released on September 18, 2019. See Eclipse 2019-09 schedule.

Consider using the Installer. Please see 5 Steps to Install Eclipse.

A Java 8 or newer JRE/JDK is required to run all Eclipse 2019-09 packages based on Eclipse 4.13, as well as the Installer.

Eclipse 4.12 (2019-06)

Eclipse 4.12 (2019-06) was released on June 19, 2019. See Eclipse 2019-06 schedule.

Consider using the Installer. Please see 5 Steps to Install Eclipse.

A Java 8 or newer JRE/JDK is required to run all Eclipse 2019-03 packages based on Eclipse 4.12, as well as the Installer.

Eclipse 4.11 (2019-03)

Eclipse 4.11 (2019-03) was released on March 20, 2019. See Eclipse 2019-03 schedule.

Eclipse

Consider using the Installer. Please see 5 Steps to Install Eclipse.

A Java 8 or newer JRE/JDK is required to run all Eclipse 2019-03 packages based on Eclipse 4.11, as well as the Installer.

Eclipse 4.10 (2018-12)

Eclipse 4.10 (2018-12) was released on December 20, 2018. It is the supported release. See Eclipse 2018-12 schedule.

Consider using the Installer. Please see 5 Steps to Install Eclipse.

A Java 8 or newer JRE/JDK is required to run all Eclipse 2018-12 packages based on Eclipse 4.10, including running the Installer. The reasoning behind requiring Java 8 are discussed here.

Eclipse 4.9 (2018-09)

Eclipse 4.9 (2018-09) was released on September 19, 2018. See Eclipse 2018-09 schedule.

A Java 8 or newer JRE/JDK is required to run all Eclipse 2018-09 packages based on Eclipse 4.9, including running the Installer. The reasoning behind requiring Java 8 are discussed here.

Eclipse 4.8 (Photon)

Eclipse 4.8 (Photon) was released on June 27, 2018. See Photon schedule.

A Java 8 or newer JRE/JDK is required to run all Oxygen packages based on Eclipse 4.7, including running the Installer. The reasoning behind requiring Java 8 are discussed here.

Eclipse 4.7 (Oxygen)

Eclipse 4.7 (Oxygen) was released on June 28, 2017. See Oxygen schedule.

A Java 8 or newer JRE/JDK is required to run all Oxygen packages based on Eclipse 4.7, including running the Installer. The reasoning behind requiring Java 8 are discussed here.

Eclipse 4.6 (Neon)

Eclipse 4.6 (Neon) was released on June 22, 2016. See Neon schedule.

A Java 8 JRE/JDK is required to run all Neon packages based on Eclipse 4.6, including the Installer. The reasoning behind requiring Java 8 are discussed here.

Eclipse 4.5 (Mars)

Eclipse 4.5 (Mars) was released on June 24, 2015.

A Java 7 JRE/JDK is required for all Mars package downloads based on Eclipse 4.5, including the Installer. Information concerning tested configurations for Eclipse 4.5 is provided here.

Eclipse 4.4 (Luna)

Eclipse 4.4 (Luna) was released on June 25, 2014.

A Java 7 JRE/JDK is required for most of the Luna package downloads based on Eclipse 4.4. Information concerning tested configurations for Eclipse 4.4 is provided here.

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Eclipse 4.3 (Kepler)

Eclipse 4.3 (Kepler) was released in June 2013.

A Java 6 JRE/JDK is recommended for Eclipse 4.3. More information concerning tested configurations for Eclipse 4.3 is provided here.


JRE/JDK Sources

Be sure to install a JVM with the same bit level as Eclipse
i.e. install a 32-bit JRE to run 32-bit Eclipse; install a 64-bit JRE to run 64-bit Eclipse

There are several sources for a JRE/JDK. Here are some of the more common/popular ones (listed alphabetically):

Download Eclipse

Download Eclipse from the Eclipse Downloads Page.

There are several package choices. Note that you can install the features from any package into any other package. If you are, for example, planning to do mostly Java development and some C/C++ development, you should download the Eclipse IDE for Java Developers and then add the C/C++ development tools via the 'Help > Install New Software..' menu option.

The download will be delivered as a compressed (i.e. a '.zip', or '.tar.gz') file. Decompress this file into the directory of your choice (e.g. 'c:eclipse' on Windows) and ensure you have full Read and Execute permissions. You can optionally create a shortcut of the executable file ('eclipse.exe' on Windows, or 'eclipse' on Linux).

Note that there is a known problem with the built-in decompression utility on all current versions of Windows. We recommend that you use a more robust decompression utility such as the open source 7zip when decompressing an Eclipse download. Some people report success when initially decompressing Eclipse into a root directory (e.g. c:) and then moving it to a more appropriate home (e.g. c:Program FilesEclipse)

Configure Eclipse to use the JVM

It is strongly recommended to configure Eclipse with the specific JVM that you want. See the instructions at Eclipse.iniThis is a very important step to be sure that Eclipse is using the JVM you intend and can't be influenced by any other software that might alter your system.The JVM used to launch Eclipse has no affect on whether it can compile Java sources for other Java language versions.

Extending Eclipse

Use the Help > Install new software.. menu option to add Kepler features to your Eclipse installation (you can, for example, use this option to add C/C++ development support). Additionally, you can tap into a vast collection of extensions provided by the Eclipse community and ecosystem via the Eclipse Marketplace Client (Help > Eclipse Marketplace). Note that not all Eclipse packages contain the Eclipse Marketplace Client.

Eclipse Oxygen Version Number

Troubleshooting

Java was started but returned exit code = 13

If you've 'installed' Eclipse but are having trouble getting it to run, the most likely cause is that you have not correctly specified the JVM for it to run under. You may need to edit the eclipse.ini file.

Another common mistake on Microsoft Windows is a mismatch between the 'bittedness' of Eclipse and the JVM/JDK. This is the most frequent cause of an Error 13. 64-bit Eclipse requires a 64-bit JVM, and 32-bit Eclipse requires 32-bit JVM--you can not mix-and-match between 32-bit and 64-bit, so make sure the version of Eclipse you installed matches the JVM/JDK that you're using to run it (and make sure you're using eclipse.ini to specify the exact JVM used to run Eclipse, described above).

As a simple test, open a Command Prompt window, move to the directory that is pointed to by the -vm argument in your eclipse.ini, and run the intended java.exe with the -d32 switch to test if it supports 32-bit, or -d64 to test for 64-bit support. It's often simplest to download a version of Eclipse that will work with whatever Java you already have installed.

To open 'Eclipse' you need to install the legacy Java SE 6 runtime

On more recent versions of the Mac, if you don't have a full JDK of an appropriately high version installed, the OS produces this bogus message. Installing any JRE will not eliminate this problem. A full JDK needs to be installed on the Mac.

Extraction requires a password or otherwise fails on Windows.

Eclipse downloads are not password protected. This is a known problem with the built-in decompression utility on all current versions of Windows. We recommend that you either download the installer or use a more robust decompression utility such as the open source 7zip when decompressing an Eclipse download. Some people report success when initially decompressing Eclipse into a root directory (e.g. c:) and then moving it to a more appropriate home (e.g. c:Program FilesEclipse)

More information

Retrieved from 'https://wiki.eclipse.org/index.php?title=Eclipse/Installation&oldid=442664'

Install Python and Java before installing Eclipse.

You may want to print these instructions before proceeding, so that you can refer to them while downloading and installing Eclipse. Or, just keep this document in your browser. You should read each step completely before performing the action that it describes. This document shows downloading and installing Eclipse (Oxygen) on Windows 7 in Summer 2017. You should download and install the latest version of Eclipse. The current latest (as of Summer 2017) is Eclipse (Oxygen).

Eclipse Oxygen 3 Java Version

Eclipse: (Oxygen)

The Eclipse download requires about 300 MB of disk space; keep it on your machine, in case you need to re-install Eclipse. When installed, Eclipse requires an additional 330 MB of disk space.

Downloading

  1. Click Eclipse

    The following page will appear in your browser. In this handout we will download Eclipse IDE for Eclipse Committers for Windows 32 Bit; if your computer uses Windows, continue below; otherwise choose either Mac Cocoa or Linux instead.

    It is critical that Java, Python, and Eclipse are either all 32 Bit or are all 64 Bit (and only if your Machine/OS supports 64 Bit): I think it easiest to use 32 Bit for everything.

  2. Click the 32-Bit (after Windows) to the right of the Eclipse IDE for Eclipse Committers.

    You will see the following page (don't worry about the name of the institution underneath the orange DOWNLOAD button).

  3. Click the orange DOWNLOAD button. The site named here, in orange to the right of the button: United States - Columbia University (http) is the random one chosen by the download page this time; yours may differ.

    This file should start downloading in your standard download folder, while showing a splash screen about donating to Eclipse. This file is about 300 Mb so it might take a while to download fully if you are on a slow internet connection (it took me about 5 minutes over a cable modem). Don't worry about the exact time as long as the download continues to make steady progress. In Chrome progress is shown on the bottom-left of the window, via the icon

    The file should appear as

    Terminate the tab browsing this webpage.

  4. Move this file to a more permanent location, so that you can install Eclipse (and reinstall it later, if necessary).
  5. Start the Installing instructions directly below.

Installing (for Python)

Eclipse download oxygen level

Eclipse Oxygen Version Download

Python and Java should be installed before installing Eclipse

Eclipse Oxygen Required Java Version

Oxygen
  1. Unzip eclipse-committers-oxygen-R-win32.zip, the file that you just downloaded and moved.
    On my machine (running Windows 7), I can
    • Right-click the file.
    • Hover over the IZArc command from the menu of options.
    • Click Extract Here

    If you do not have IZArc or an equivalent unzipping program, here is the web site to download a free copy of IZarc.

    Unzipping this file creates a folder named eclipse; unzipping 250 MB can take a few minutes. You can leave this folder here or move it elsewhere on your hard disk. I recommend putting the downloaded file and resulting folder in the C:Program Files directory.

  2. Create a shortcut on your desktop to the eclipse.exe file in this eclipse folder:
    On most Windows machines, you can
    • Right-press the file eclipse.exe
    • Drag it to the desktop.
    • Release the right button.
    • Click Create shortcut here

    Now you are ready to perform a one-time only setup of Eclipse on your machine.

  3. Double-click the shortcut to Eclipse that you just created above.

    The following splash screen will appear

    and then an Eclipse Launcher pop-up window will appear.

    In the Workspace text box, your name should appear between C:Users and eclipse-workspace, instead of Pattis.

    Leave unchecked the Use this as the default and do not ask again box. Although you will use this same workspace for the entire quarter (checking projects in and out of it), it is best to see this Workspace Launcher pop-up window each time you start Eclipse, to remind you where your workspace is located.

    In fact, it is a good idea to create on your desktop a shortcut to your workspace folder; but you must click OK (see below) before Eclipse creates this folder and you can create a shortcut to it.

  4. Click Launch.

    Progress bars will appear as Eclipse loads.

    Eventually the Eclipse workbench will appear with a Welcome tab covering it.

  5. Terminate (click X on) the Welcome tab.

    You will not see the Welcome tab when you start Eclipse again, after this first time.

  6. Click Help (on the far right of the line below this window's blue title eclipse-workspace - Eclipse) and then click Install New Software.. in its pull-down menu, as shown below.

    The Install pop-up window will appear.

  7. Enter the text (or cut/paste from this document) http://pydev.org/updates into the Work with text box and press Enter (if that doesn't work, try http://www.pydev.org/updates).

    In a few seconds the information under Name should change from
    There is no site selected to Pending to

    Select only the top PyDev checkbox; do NOT select the PyDev Mylyn Integration (optional) box.
    Check before proceeding that the Install pop-up window appears as

  8. Click Next >

    A new Install pop-up window will appear.

  9. Click Next >

    A new Install pop-up window will appear.

    Select the I accept the terms of the license agreement radio button, so the window appears as

  10. Click Finish

    The lower right-hand corner of the eclipse-workspace - Eclipse window will show the various operations it is performing and a progress bar for each one.

    Because the installer is fetching various files online, this process might take a few minutes.

    If you see a Security Warning pop-up window

    Click Install anyway.

    The installation will finish (the progress bar will disappear).

    A Software Updates pop-up window will appear.

  11. Click Restart Now

    Eclipse will terminate and restart. As you did in step 4, terminate (click OK on) the Welcome Tab.

  12. Click Window (to the left of Help on the far right of the line below this window's blue title eclipse-workspace - Eclipse) and then click Preferences in its pull-down menu, as shown below.
  13. Drill down to select the interpreter:
    • Disclose PyDev by clicking the + in front of PyDev or double-clicking PyDev (after the +); the + changes to a -.
    • Disclose Interpreters by clicking the + in front of Interpreters or double-clicking Interpreters (after the +); the + changes to a -.
    • Select/Click Python - Interpreter.
    The Preferences pop-up window should appear as follows
  14. Click New.. at the top-right of the top window

    A Select Interpreter pop-up window appears.

    Click Browse and the Open pop-up window should show you the folder in which Python was installed (here Python 36-32).

    Double-click python.exe (or select it and click Open).

    Change the Name in the Select Interpreter pop-up window to be simply Python36 (or whatever version of Python is installed). The Select Interpreter pop-up window should appear as

  15. Click OK.

    A Selection needed pop-up window will appear.

    Actually, your window should have only the 4 ..AppDataLocal.. checkboxes; don't worry if the ..AppDataRoaming.. one (4th of 5 in this window) is absent.

  16. Click OK.

    The Preferences pop-up window will be changed to

    On my system the path to the Python interpreter was so long, not all of it could be seen under Location

  17. Click Apply and Close.

    A Progress Information pop-up window will appear.

    During installation, it will show the various operations it is performing and a progress bar for each one. Eventually the installation will terminate.

    If the following pop-up window appears

    Ensure the 'Public networks, such as those in airports..' checkbox is NOT checked, and then click Allow Access.

  18. Click Window (to the left of Help on the far right of the line below this window's blue title eclipse-workspace - Eclipse), hover over Perspective then Open Perspective in the pull-down menu and then click Other.. in the next pull-down menu.

    The Open Perspective pop-up window will appear.

  19. Double-click PyDev (fourth from the bottom)

    The Package Explorer in the upper-left tab will change to PyDev Package Explorer, and a Python icon will appear to the right of the Java icon (on the far right).

  20. Right-click the Java icon to the left of the PyDev icon and select close

    The Eclipse workbench will now have only the PyDev icon here and will look like

  21. Locate the workspace folder created in step 3 (see C:Usersyournameeclipse-workspace) and download the courselib.zip file into this workspace and unzip it there, producing the courselib folder; it should should contain a bunch of Python module files (ending in .py). From time to time you may be asked to put other course-specific Python module files into this courselib folder; these modules will be usable (via import) in all Python projects in Eclipse.
  22. Inform Eclipse to use the courselib folder in all Python projects.
    • Select Window Preferences.
    • Disclose PyDev by clicking the + in front of PyDev or double-clicking PyDev (after the +); the + changes to a -.
    • Disclose Interpreters by clicking the + in front of Interpreters or double-clicking Interpreters (after the +); the + changes to a -.
    • Select Python - Interpreter.
    • Click the Libraries tab (leftmost, above the bottom pane)
    • Click the New Folder button (topmost, right of the bottom pane)
    • Browse to the courselib folder (added above) in the Browse for Folder pop-up window (C:Usersyournameeclipse-workspacecourselib).
    • Click the courselib folder selected, and then click OK
      Notice a sixth entry (C:Usersyournameeclipse-workspacecourselib>) appears in the bottom-right pane named System PYTHONPATH. Reorder with Drag & Drop.
    • Click Apply (you will see some progress bars)
      The <><>< b=' /> pop-up window should now appear as < />< />
    • cick apply and close
  23. terminate (click x on) the eclipse window.

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eclipse is now installed for python. b=' '="">