In fact, you don’t even have to code your Java into a file. JShell can execute lines of Java code directly on the command line. Java without a main method Historically, Java devs have had to code a ...

A Java compiler takes a text file and compiles it into a platform-independent Java file, meaning the compiled code can run on any OS. Learn how it works.

The JIT compiler is responsible for dynamically translating frequently executed bytecode into native machine code, improving the performance of Java applications.

To succeed, it needs good tools, good docs, and an active community. The language tools (compiler, etc.) are all open source and written in Fan. The code is clean and surprisingly readable.