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You can check the location of the eclipse.ini file from below images for Mac OS X. In windows, you will find the eclipse.ini file in the same directory as the eclipse.exe file. Once you have located the eclipse.ini file, just open it in your favorite text editor. May 13, 2018 In this video we are going demonstrate how to install and Configure Eclipse Neon 3 (JavaEE) in Ubuntu 18.04 LTS. Also we run sample program in Neon 3. We will be using Oracle JDK 1.8 to compile.
Install Python and Java before installing Eclipse.
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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 on Windows 7 in Winter 2017.
Eclipse: (Neon)
The Eclipse download requires about 250 MB of disk space; keep it on your machine, in case you need to re-install Eclipse. When installed, Eclipse requires an additional 250 MB of disk space.
Downloading
- Click EclipseThe 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.
- 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).
- Click the orange DOWNLOAD button. The site named here, in orange to the right of the button: Canada - University of Waterloo Computer Science Clupb (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 250 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 iconThe file should appear asTerminate the window browsing the Eclipse download.
- Move this file to a more permanent location, so that you can install Eclipse (and reinstall it later, if necessary).
- Start the Installing instructions directly below.
Installing (for Python)
Python and Java should be installed before installing Eclipse- Unzip eclipse-committers-newon-2-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.The OSX Lion V10.7.5 has introduced Aqua user interface elements, which includes button and progress bar. Mac install xcode. - 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. - Double-click the shortcut to Eclipse that you just created above. The following splash screen will appearand then an Eclipse Launcher pop-up window will appear.In the Workspace text box, your name should appear between C:Users and 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.
- Click OK. Progress bars will appear as Eclipse loads.Eventually the Eclipse workbench will appear with a Welcome tab covering it.
- Terminate (click X on) the Welcome tab. You will not see the Welcome tab when you start Eclipse again, after this first time.
- Click Help (on the far right of the line below this window's blue title Java - Eclipse) and then click Install New Software.. in its pull-down menu, as shown below. The Install pop-up window will appear.
- 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 toSelect 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 - Click Next >A new Install Best free budget and bill reminder for os x. pop-up window will appear.
- 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
- Click FinishAn Installing Software pop-up window will appear. During installation, it 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 windowClick OK.The installation will pause, and a Selection Needed pop-up window appears.
- Check the box labeled Brainwy Software; Pydev; Brainwy. Check before proceeding that the Install pop-up window appears as
- Click OKThe installation will finish (showing the final progress bars).A Software Updates pop-up window will appear.
- Click YesEclipse will terminate and restart. As you did in step 4, terminate (click OK on) the Welcome Tab.
- Click Window (to the left of Help on the far right of the line below this window's blue title workspace Java - Eclipse) and then click Preferences in its pull-down menu, as shown below.
- 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 Python - Interpreter.
- Click New.. at the top-right of the top windowA 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 3.6).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
- Click OK. A Selection needed pop-up window will appear.Ensure that a check appears in all four checkboxes.
- Click OK. The Preferences pop-up window will be changed toOn my system the path to the Python interpreter was so long, not all of it could be seen under Location
- Click OK. 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 appearsEnsure the 'Public networks, such as those in airports..' checkbox is NOT checked, and then click Allow Access.
- Click Window (to the left of Help on the far right of the line below this window's blue title workspace - Java - 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.
- Double-click PyDev (third from the bottom) The blue label on the Eclipse window will change to workspace - PyDev - Eclipse, the Package Explorer in the upper-left tab will change to PyDev Package Explorer, and a PyDev icon will appear to the right of the Java icon.
- Right-click the Java icon to the left of the PyDev icon and select closeThe Eclipse workbench will now have only the PyDev icon here and will look like
- Locate the workspace folder created in step 3 (see C:Usersyournameworkspace) 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 will be asked to put other course-specific Python module files into this courselib folder; these modules will be usable in all Python projects in Eclipse.
- 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:Usersyournameworkspacecourselib).
- Click the courselib folder selected, and then click OK
- Click Apply (you will see some progress bars)
The <><>< b=' /> pop-up window should now appear asNotice a fifth entry (ending in courselib appears at the bottom of the bottom pane named System PYTHONPATH< />< /> - Cick OK
- Terminate (click X on) the Eclipse window.
eclipse.org went with a neon colored theme to announce the launch of Neon. I found it a bit glaring. The “e” and “n” lights go out after a while which I suppose is cute. The matrix comparing the packages is still clear. It turns out not to matter if you choose the Java EE version or something else for the download. The list of Eclipse packages had a sponsored package in the list. Wonder how much IBM paid to have Bluemix listed second. I also learned there is a Scout package. I hadn’t heard of Scout which is a framework for HTML 5 among other things.
Overall, there’s a lot I’m excited about in this release.
The “tar” file (native app)
With Eclipse Mars, they switched to a tar file/Eclipse installer for Mac. This is my first upgrade since that Eclipse became a native Mac app. The installer says “Eclipse installer by Oomph” and gives you a choice of a number of Eclipse packages. Which means it doesn’t matter what you choose because it takes you to this point.
Then it asks where you want to install. This is good as it lets you have both Mars and Neon installed as native apps. (I was wondering how they were going to deal with that when Mars went native.)
The default location seemed like as good a place as any. I clicked install and agreed to do the terms. As I saw the progress bar, I got prompted to agree again. As it was downloading the necessary pieces, I got a warning that downloading was slow.
Then it was done and I was able to launch Eclipse. I got prompted for a workspace location. I like to upload my workspace in place so I agreed that I would be preventing the workspace from opening in Mars again. (I backed it up first in case.) Then I saw the Neon slash screen. I was a little worried about this since I didn’t like the home page. No reason to worry. It’s pretty!
Installing the plugins
Like last year, I decided to install the plugins I need for Eclipse Marketplace so I can shed the plugins I tried out and don’t actually want. Cleaning plugin house once a year is nice.
The significant plugins I use are listed in this table. A number of plugins were beta for Luna or I had to use the Kepler version. I don’t remember that problem in previous years.
Last year, I tried out the Code Recommenders plugin. I didn’t install it this year as I hardly used it. I added Contrast and Bytecode Analyzer as plugins I installed in the past 12 months that I like. Everything installed easily from Eclipse Marketplace unless otherwise noted.
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Plugin | Purpose |
---|---|
Mongrel | Tomcat integration supporting recent versions of Tomcat. |
Ecl Emma | Code coverage |
SonarLint | I installed SonarLint last year and quickly came to rely on it. It gives you static analysis findings in Eclipse. I also included the SonarLint Java Configuration Helper so it can see the version of Java I am using. (I”m on Java 8 right now so this is redundant at the moment. But I’m ready for when Java 9 comes out.) I stopped installing PMD and FindBugs. I’m using SonarLint instead. |
Subversive | To access Subversion repositories |
Eclipse Memory Analyzer | For finding memory leaks. It was in Eclipse MarketPlace – however I couldn’t install from there. It just kept prompting me to install. So I’m using the update site. |
Freemarker IDE | Freemarker syntax highlighting and macro assistance. Note that it is listed under the JBoss Tool Project. You pick that plugin and then unselect everything except “Freemarker IDE”. The JBoss Tool plugin was in beta on Mars release day. I installed this beta. |
Pydev | Python plugin/perspective |
Contrast | To spot potential security issues. See my impressions of the Contrast plugin. |
Bytecode Outline | I’ve been looking at bytecode a good fit for the book to make sure I understand why things are happening. This plugin makes it easy. I first tried Bytecode Visualizer but install failed. (The website says there were 25 failed installs with the same dependency problem in the last 7 days). After installing Bytecode Outline, I realized this was the one I had installed for Luna anyway. |
Eclipse Neon.3 Working For Mac Os X High Sierra Compatibility
What excites me
- Autocomplete lets you enter any part of the class name/method name/variable/etc rather than just the first part. Being able to enter a substring for the pattern is awesome! If you know the method name ends with “all” you can type this. You can also type something that is more unique if you have a lot of classes that begin with the same thing. For example, suppose you have MyBusinessWidgetStrategy, MyBusinessWidgetDto and MyBusinessWidgetDao. You can type “widgetDao” and be done rather than the whole thing.
- You can use a touchpad to pinch/zoom in and out for the editor. This is going to be great for demos.
- The workspace name is shown at the beginning of the window title. This isn’t useful to me at all at home, but is going to be very useful at work where I frequently have multiple workspaces open at the same time. The default name of the workspace is the directory it is in. That actually works out perfectly for me
- Being able to easily clean up pre-diamond operator (Java 1.5 and 1.6 code) to get rid of the redundant types. (Wrote up how here.)
- You can control word wrap in Java and other text editors. While you typically want to format in Java, this could still be useful for viewing legacy code you don’t want to re-format.)
What I didn’t like
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- I was hoping for code cleanup items for Java 8. In particular with regard to lambdas and streams. I didn’t see anything.
Other interesting features
Eclipse Neon.3 Working For Mac Os X High Sierra Boot Drive Usb
- HTML formatting finally works the way I’d expect. I last complained about this in Juno so it might have been fixed for a while and I just never tried it again.
- You can set Preferences > General >Editors > Autosave to save your editor for you. I don’t like this because I want to control when I save since this sometimes triggers builds and such. I think it is nice that it is an option though.
- You can automatically terminate the previous run of a JUnit test (or other launcher) when you relaunch it. While I don’t need this anymore, it would have been useful when I was learning about recursion!
- It’s a good number of clicks to find a specific compile error/warning in the Eclipse preferences. You can now get there directly when you have something show up. There’s also another “info” level so you don’t have to choose between “warning” and “ignore.”
- You can now search in binary files. (I thought we could always do this, but I must be mistaken since it was in the release notes.)