How can I specify the default JVM arguments for programs I run from eclipse?

Is there a way to specify default JVM arguments when I'm running my code from eclipse, rather than specifying the same ones over and over for each run/debug/etc configuration?

How do I change the default JVM argument?

Yes, right click the project. Click Run as then Run Configurations . You can change the parameters passed to the JVM in the Arguments tab in the VM Arguments box. That configuration can then be used as the default when running the project.

Where can I find JVM arguments?

Java™ virtual machine (JVM) arguments are defined in the startup command script (Oracle WebLogic) or Admin Console (IBM® WebSphere®) for your web application server.

Go to Window → Preferences → Java → Installed JREs. Select the JRE you're using, click Edit, and there will be a line for Default VM Arguments which will apply to every execution. For instance, I use this on OS X to hide the icon from the dock, increase max memory and turn on assertions: