package mayton.tools.test_script;

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

public class proba_jscript {

    public proba_jscript() throws ScriptException
    {
        ScriptEngineManager manager = new ScriptEngineManager();
        ScriptEngine engine = manager.getEngineByName("js");
        engine.put("age","18");
        engine.eval("if (age >= 18){ " +
                        "    print('Old enough to vote!'); " +
                        "} else {" +
                        "    print ('Back to school!');" +
                        "}"
        );
    }

    public static void main(String[] args) throws ScriptException
    {
        new proba_jscript();
    }
}

       ScriptEngineManager sem = new ScriptEngineManager();  
       ScriptEngine jsEngine = sem.getEngineByName("js");
        try {
            
           Object rv = jsEngine.eval("importPackage(javax.swing);  " +
                  " JOptionPane.showMessageDialog(null,'My first js program in Java !!!');");
        } catch (ScriptException ex) {
            ex.printStackTrace();
        }