public static void main(String[] args) {
        Context cx = Context.enter();
        Scriptable scope = cx.initStandardObjects();
        String code = "Object.defineProperty(this, 'myVariable', {\n" +
                "    enumerable: true,\n" +
                "    get: function() {\n" +
                "        java.lang.System.out.println('Getting variable, it is ' + String(this.__myVariableHolder));\n" +
                "        return this.__myVariableHolder;\n" +
                "    },\n" +
                "    set: function(value) {\n" +
                "        java.lang.System.out.println('Setting variable ' + String(value));\n" +
                "        this.__myVariableHolder = value;\n" +
                "    } \n" +
                "});\n" +
                "\n" +
                "myVariable = 'vasya';\n" +
                "var odnako = myVariable;";
        Object result = cx.evaluateString(scope, code, "<cmd>", 1, null);

    }