Dynamic Compiling Without Create Physical File

Question

I follow the tutorial from Generating Java classes dynamically through Java compiler API, the code is work but what I see is the program will create a class file after compi

Answer 1

For what your doing, I would use Janino. It appears doable using just the JavaCompiler, but not well documented. See the comment I added withe linked question for an example of going about it with the JavaCompiler.

EDIT: I found an easy to understand example using the JavaCompiler.