Those wanting to install the latest Oracle Java 16 (released recently) on Ubuntu, Debian, and Linux distributions based on these, like Linux Mint, Pop!_OS, etc., can now do so using the Linux Uprising PPA. Oracle JDK 16 will receive a minimum of two quarterly updates, before being followed by Oracle JDK 17 in September 2021.

Source: LXer – How To Install Oracle Java 16 On Debian, Ubuntu, Pop!_OS Or Linux Mint Using APT PPA Repository