for(Object o : myOjbect) {
      displayString +=  String.format("%15s %30s %n", o.name(), o.price());
    }

<div id="123" >
      <label> Items : </label>  <p> <s:property value="displayString"/></p>
    </div>

apple 10 banana 20 pear 30

apple 10
banana 20
pear 30