Eu baixei a versão disponível no site da oracle. Está igualzinha a do video, portanto quando eu executo dá a mensagem "Error: A JNI error has occurred, please check your installation and try again Exception in thread "main" java.lang.UnsupportedClassVersionError: Amigos has been compiled by a more recent version of the Java Runtime (class file version 57.0), this version of the Java Runtime only recognizes class file versions up to 52.0" O que pode ser?