Java tutorial
import javax.script.Bindings; import javax.script.ScriptEngine; import javax.script.ScriptEngineManager; public class Main { public static void main(String[] args) { ScriptEngineManager manager = new ScriptEngineManager(); ScriptEngine engine = manager.getEngineByName("JavaScript"); Bindings params = engine.createBindings(); params.put("stringKey", "Hello"); params.put("valueKey", 2015); Object msg = params.get("stringKey"); Object year = params.get("valueKey"); System.out.println("stringKey" + msg); System.out.println("valueKey = " + year); params.remove("valueKey"); year = params.get("valueKey"); boolean containsYear = params.containsKey("valueKey"); System.out.println("valueKey = " + year); System.out.println("params contains year = " + containsYear); } }