How to create an executable jar file with 1 GB heap

Question

I created a class that gives a text file containing system performance as output. I want to run it as an executable Jar. but when I run the Jar I want to increa

Answer 1

As already mentioned: it unfortunately is not possible (without creating a wrapper, whether shortcut/script/executable ...).

If you're only running on Windows, I can recommend Launch4J to create an executable wrapper that can apply these settings on execution:

Wrapping it in a executable has other benefits:

• If a suitable version of Java is not found, it will prompt the user to download it
• Windows 7 Start Menu will treat it properly (highlighting it as a new application after installation)
• Windows Firewall will treat it properly