Convert String to Code

Question

I want to know if there is any way to convert a String to Java compilable code.

I have a comparative expression saved in a database field. I want to re

Answer 1

If you're willing to sacrifice the "Java code" portion of your requirement, you could use the Java Mathematic Expression Evaluator library. It allows you to specify a math expression (as a java.lang.String), add values for the variables, and then evaluate the expression.

I've used it in production code with great success.