Class MyBean {
 private String str;
 public void setStr(String str) { this.str=str;}
 public String getStr() { return str;}
}
Class Test extends ActionSupport{
 private MyBean bean = new MyBean;
 public void setBean(MyBean bean) {
  this.bean = bean;
 }
 public MyBean getBean() {
  return bean;
 }

 public String execute(){
  // TODO ACTION CODE
 }
}