How to run Java source code within a Java program

Question

I have wrote some code to compile a Java source code. It then produces the .class file. The problem is how do I run it?

For example, I am ok with the name of the pro

Answer 1

Load it by URLClassLoader.

File root = new File("/java"); // The package root.
URLClassLoader classLoader = URLClassLoader.newInstance(new URL[] { root.toURI().toURL() });
Class cls = Class.forName("test.Test", true, classLoader); // Assuming package test and class Test.
Object instance = cls.newInstance();
// ...

See also:

• How do I instantiate a class dynamically in Java?