
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.Only works in JDK 8, but not in JDK 9: Run jdeps.In that case you have to figure out which module(s) you need to add with -add-modules. Your project might fail to run because you use types that are neither in java.base or .ee, e.g.

Since the Eclipse SDK uses types that aren't in the java.base module, you need to add the following vmargs to eclipse.ini: Otherwise it can easily be done by adding something like:Ĭ:\Program Files\Java\jdk-9\bin\javaw.exeįollowing the -launcher.appendVmargs line to the eclipse.ini. If you already do this, simply replace it with a Java 9 VM. If Java is automatically found when launching Eclipse, you need to specify the location of your Java VM. If you are developing Java applications, or are on macOS, you should definitely get the JDK. You need to download and install a Java 9 VM, e.g.

2 Configure Eclipse to run on Java 9 VM.
