How do I programmatically compile and instantiate a Java class?

Question

I have the class name stored in a property file. I know that the classes store will implement IDynamicLoad. How do I instantiate the class dynamically?

Right now I h

Answer 1

In the same vein as BalusC's answer, but a bit more automatic wrapper is here in this piece of code from my kilim distribution. https://github.com/kilim/kilim/blob/master/src/kilim/tools/Javac.java

It takes a list of strings containing Java source, extracts the package and public class/interface names and creates the corresponding directory/file hierarchy in a tmp directory. It then runs the java compiler on it, and returns a list of name,classfile pairs (the ClassInfo structure).

Help yourself to the code. It is MIT licensed.