Java (programming language)
Java is both a language, but its also a platform, and a number of languages compile to the same bytecode meant for that JVM platform, and can then work alone (without Java, the language, or with it). Google, that previously recommended Java, now recommends Kotlin language over Java for its Android platform, and it, like any JVM language, can also work with or without Java in all other contexts where Java alone would have been used.