Nashorn Example

import javax.script.ScriptEngineManager;
import javax.script.ScriptEngine;
import javax.script.ScriptException;

/**
 *
 * @author Aamir Khan
 */
public class NashornExample {
    public static void main(String[] args) {
        ScriptEngineManager smanager = new ScriptEngineManager();
        ScriptEngine engine = smanager.getEngineByName("nashorn");

        try {
//            engine.eval("for (var i =1; i<=10; i++){"
//                    + "print(i*9);"
//                    + "}");
            int result = (int) engine.eval("2+3*4");
            System.out.println(result);
        } catch (ScriptException ex) {
            ex.printStackTrace();
        }
    }

}