//기본  for문 이용
 for(int i =0; i<memberList.size(); i++){
  MemberTestBean memberTestBean = (MemberTestBean)memberList.get(i);
  out.println(memberTestBean.getMem_id());
  out.println(memberTestBean.getPasswd());
  out.println(memberTestBean.getName());
  out.println(memberTestBean.getReg_date());
  out.println("<br>");
 }
 //Enumeration 이용
 Enumeration<MemberTestBean> enum1 = memberList.elements();
 while(enum1.hasMoreElements()){
  MemberTestBean memberTestBean = (MemberTestBean)enum1.nextElement();
  out.println(memberTestBean.getMem_id());
  out.println(memberTestBean.getPasswd());
  out.println(memberTestBean.getName());
  out.println(memberTestBean.getReg_date());
  out.println("<br>");
 
 }
 //Iterator 이용
 Iterator<MemberTestBean> iter = memberList.iterator();
 while(iter.hasNext()){
  MemberTestBean memberTestBean = (MemberTestBean)iter.next();
  out.println(memberTestBean.getMem_id());
  out.println(memberTestBean.getPasswd());
  out.println(memberTestBean.getName());
  out.println(memberTestBean.getReg_date());
  out.println("<br>");
 }
 //향상된 for문 이용
 //Vector<MemberTestBean>  memberList = new Vector<MemberTestBean> ();
 for(MemberTestBean memberTestBean:memberList){
  out.println(memberTestBean.getMem_id());
  out.println(memberTestBean.getPasswd());
  out.println(memberTestBean.getName());
  out.println(memberTestBean.getReg_date());
  out.println("<br>");
 }