this version of the Java Runtime only recognizes class file versions up to

 

 Intentando instalar Minecraft te salió el siguiente error:

 java.lang.UnsupportedClassVersionError: com/pnfsoftware/jeb/installer/Launcher has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 55.0
 
 Solo hay que actualizar Java a una versión mas nueva.

 
 https://www.oracle.com/java/technologies/downloads/
 
 
 x64 Debian Package:
 https://download.oracle.com/java/21/latest/jdk-21_linux-x64_bin.deb
 
 Install the package using the following command:

$ sudo dpkg -i jdk-21_linux-x64_bin.deb