引导OpenJDK 8 # If you are on arm64, you first need to unmask app-arch/fastjar sudo emerge -a1v =dev-java/icedtea-3.7.0 sudo emerge -av dev-java/openjdk:8 sudo emerge -a --depclean # Remove old software that was used for bootstrapping 注意：您需要分两个步骤进行操作