関連ワード:  sudo apt install java 21    sudo apt install jdk 21    sudo apt get java 21    sudo apt install default jdk 21    sudo apt install open jdk 21    sudo apt install openjdk 21 jdk    sudo apt install openjdk 21 jdk headless    sudo apt install openjdk 21 jdk debian    sudo apt install temurin 21 jdk    sudo apt install openjdk 21 jdk unable to locate package