Zulfi, java 17 and 21 will work just fine. To see which java version you have, open a terminal and type java -version.
met vriendelijke groet Pieter van den Hombergh Op do 29 mei 2025, 06:21 schreef Zulfi Khan <zulfi6...@yahoo.com.invalid>: > Hi, > > I have installed apache-netbeans_23-1_all.deb.asc on my ubuntu 22.04. I > can see its icon. But when I am double clicking it, it does not execute. > maybe its looking for Java home path. Please guide me what version of jdk > and jre should i install on ubuntu 22.04. > > Zulfi. >