[SOLVED] Eclipse create new class slow in Fedora

If you’re having problems with eclipse under Fedora, then it might be due to GTK3. So start eclipse like:  

It must also work from eclipse.ini, but you need to make sure to put 2 in the next line:

Thanks to this person: https://hedayatvk.wordpress.com/2015/07/16/eclipse-problems-on-fedora-22/