Java tutorial
import javax.script.Invocable; import javax.script.ScriptEngine; import javax.script.ScriptEngineManager; public class Main { public static void main(String[] args) throws Exception { ScriptEngine engine = new ScriptEngineManager().getEngineByName("nashorn"); engine.eval("load('res/nashorn5.js')"); Invocable invocable = (Invocable) engine; Product product = new Product(); product.setName("Rubber"); product.setPrice(1.99); product.setStock(1037); Object result = invocable.invokeFunction("getValueOfGoods", product); System.out.println(result); } }