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This should change the Java compiler settings as well, but double-check the Java Compiler item to make sure the JDK compliance is set to 1.7 (this might not change if you’ve explicitly changed it before). If you’re using a faceted project, first visit the Project Facets item in the properties panel, and change the Java version to 1.7. In an existing project, visit the project’s properties page and change the Java version to use Java 7. First we need to tell Eclipse we’re using Java7 in our project. Once you’ve got Eclipse running with the update, and JDK7 is installed as a runtime, it’s time to grin some Java 7 code. #ECLIPSE FOR MAC JAVA 7 INSTALL#It will download and install in place over your existing Eclipse, and upon restarting you’ll be running the Java7-friendly version.Īfter upgrading Eclipse, affect your path, the eclipse.ini, or add the JDK to your workspace settings as discussed above. ![]() ![]() #ECLIPSE FOR MAC JAVA 7 UPDATE#It should spin for a little bit and find that the 3.7 SR1 is available, as well as any updates for plug-ins you’ve installed via the marketplace or an update site supported by the Eclipse installer (I’m unsure how manually added packages work I can find all of my plug-ins via URL or in the marketplace). Start Eclipse (I generally use an empty workspace to avoid fouling any existing projects) and hit the “Check for Updates” item in the Help menu. #ECLIPSE FOR MAC JAVA 7 UPGRADE#To upgrade is pretty straight-forward, and the only troubles I’ve had are bandwidth related (if you get connected to a slow or busy mirror, you have to wait longer for the download…). If you’re already using a pretty recent version of Eclipse (I know it works with Indigo, and I think it works with Helios, but I’ve not tested that), the service release is available as an update via Eclipse’s built-in tools, though. One downside to adding a new Eclipse runtime is that you need to re-add any plug-ins you use. It should be the folder containing the “bin” and “jre” and “lib” folders (at a minimum).įor Mac users, be careful because the JDK is buried in the Library (either system or user) folder for example, I’ve installed the JDK7 in my home folder, so it’s path is ~/Library/Java/JavaVirtualMachines/1.7.0.jdk/Contents/Home due to Mac’s app packaging. The path should end at the folder containing the JDK, not the included JRE. The path should be absolute, not relative, and if running on Windows, should include the drive letter (c:/path/to/jdk) and the slashes should be “reversed” so that nothing is considered an escaped character. Quite technically, the VM just needs to be named before the -vmargs argument. Edit the file with your favorite text editor, and before the line that says -product add the lines below, modifying for your JDK installation path. Find the eclipse.ini file in the root of your newly expanded Eclipse folder (for Mac users it’s in the Eclipse folder’s Eclipse.app/Contents/MacOS folder). Even if the JDK is first in your path, Eclipse will run using the JRE. ![]() Of course, you can also add the runtime to the workspace properties after starting Eclipse.Īdding the JDK to the eclipse.ini file has the added benefit of running Eclipse with the JDK. Either edit the eclipse.ini file within to add the necessary lines to point to the JDK7 VM, or start with the JDK7 as the first Java in your path for the easiest integration. #ECLIPSE FOR MAC JAVA 7 ARCHIVE#Download and expand the appropriate archive for your OS. Visiting the Eclipse download page should offer the latest Indigo package, labeled SR1. At least until Apple decides that it’ll offer JDK7 in the app store or via their developer’s site. ![]() #ECLIPSE FOR MAC JAVA 7 CODE#Run the installer or unpack, as makes sense.įor Mac users, you can visit the openjdk-osx-build project hosted on Google Code it will direct you to the Apple preview project as well as give you updated builds of the reference project. Visit the Oracle Java download page, select the JDK, and when redirected, accept the agreement and download the version appropriate for your computer. Eclipse will run with a Java Runtime Edition, but I recommend grabbing the JDK when trying to develop software. In order for Eclipse to use the new Java version, Java v7 needs to be installed. Of course, it would allow you to compile old code with Java 7, and get Java 7 classes out of the process, but not with Java 7 language updates. None of the new language additions were supported, and it generally became frustrating to try to experiment with Java 7. Prior to this release, you could add a Java v7 runtime, but none of the code tools would recognize 1.7 as an acceptable level. One notable addition is support for Java v7. Just last week the Eclipse group released a service release to their Indigo version (v3.7). ![]()
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