How to set gradle path after installing using sdkman

sdkman installs software only for your current user (placed under $HOME/.sdkman). When you login as another user you will not have access to them. sdkman has init scripts called from your .bashrc/.zshrc that will append to your PATH. On my account gradle is /Users/marvi/.sdkman/candidates/gradle/current/bin/gradle.

For a multi user install I would do a manual install. First option here: http://howtoprogram.xyz/2016/09/06/install-gradle-ubuntu-16-04/