streams-bf-lab-materials/playbooks/roles/setup-for-sakbf/tasks/main.yml

---
#
# TODO: set java/javac back to 21 (for the custom part)
#
- name: Ensure Java is versioned correctly for Streams BF labs
  become: yes
  ansible.builtin.command:
    cmd: /usr/sbin/alternatives --set {{ item }} java-21-openjdk.x86_64
  loop:
    - java
    - javac
...