For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:jloehel/openSUSE_Tumbleweed/home:jloehel.repo
zypper refresh
zypper install gradle
For openSUSE Slowroll run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:jloehel/openSUSE_Slowroll/home:jloehel.repo
zypper refresh
zypper install gradle
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:jloehel/16.0/home:jloehel.repo
zypper refresh
zypper install gradle
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:jloehel/15.6/home:jloehel.repo
zypper refresh
zypper install gradle