第1个回答 2010-06-01
public static void main(String[] args) {
// TODO Auto-generated method stub
List list = new ArrayList();
for (int i = 0; i < 100; i++) {
list.add(i + 1);
}
List twoList = new ArrayList();
twoList.addAll(list);
for (int j = 0; j < 5; j++) {
twoList.remove(new Random().nextInt(99));
}
System.out.println("之前list:" + list);
System.out.println("twoList:" + twoList);
list.removeAll(twoList);
System.out.println("剩下的5个数字:"+list);
}本回答被提问者采纳