If you are only interested in the parameter value you can use the
getParameters() and then use getValue() method on the resulting
Most likely you want to know the math too, so you will need to get the
kinetic law and then use the getMath() method.
This will return ASTNode (Abstract Syntax Tree).
There is an ASTNode class in the javadoc org.sbml.libsbml.ASTNode that
has methods to help parse the abstract syntax tree.
You will see that most of the get methods return ints; you will need to
look these up in the constant field values to see what the int returned
actually represents. http://sbml.org/software/libsbml/docs/java/constant-values.html contains