Java tutorial
//package com.java2s; import javax.script.ScriptEngine; import javax.script.ScriptEngineManager; public class Main { public static String evalScript(String engineName, String script) throws Exception { //System.out.println("evaluating "+script); ScriptEngineManager mgr = new ScriptEngineManager(); ScriptEngine engine = mgr.getEngineByName("JavaScript"); String result = "" + engine.eval(script); return result; } }