How to run Java code using Java code?

Question

Basically, I want to do two things:

1. I want to know if there is any way that I can run Java code using Java code.
2. If it is possible, how would I show t

Answer 1

You would have to some how invoke a compiler (such as Suns javac), parse its output in case of errors and load the resulting classes dynamically.

There is no API-classes in the Java runtime library that will parse, compile and run Java source code.