자바 프로그램 교육 :: Collection roof 4가지 방법

Collection roof 4가지 방법

JAVA/Basic 2008/10/13 15:15

Vector<BoardBean> boardList = (Vector)request.getAttribute("boardList");
for (int i = 0; i <boardList.size(); i++){
out.println(boardList.get(i).getIp()+" ");
}
 out.println(" ");

Enumeration<BoardBean> en = (Enumeration<BoardBean>)boardList.elements();
while(en.hasMoreElements()){
BoardBean boardBean = en.nextElement();
out.println(boardBean.getIp()+" ");
}
 out.println(" ");

 Iterator<BoardBean> itr = (Iterator<BoardBean>)boardList.iterator();
while(itr.hasNext()){
BoardBean boardBean = itr.next();
out.println(boardBean.getIp()+" ");
}
 out.println(" ");

for(BoardBean boardBean : boardList){
out.println(boardBean.getIp()+" ");
}