Oracle Java (JDK) (includes JRE) has OpenJDK & closed-source/proprietary components, & it is free only-for Personal usage, a paid License required for any Commercial usage & for any deployment/distribution, & all users also must do a (free) web-registration to download any binary/source. OpenJDK Java (includes JRE) is open-source, & it is FREE for any Commercial & any deployment/distribution & any Personal usage.
