What is the bottom layer of java written in?

The Java language is a computer language program that develops rapidly with the times. It profoundly demonstrates the essence of programming, and its concise and rigorous structure and concise syntax provide a strong guarantee for its future development and maintenance.

We all know that Java language can write many things, and Android is basically written in Java language.

But do you know what language the bottom layer of java is written in?

The bottom layer of JAVA is written in C language.

The JAVA Virtual Machine (JVM) is written in C language and assembly language.

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