public class ListTest {
public static void main(String[] args) {
List list = new ArrayList();
CoreSltoRecord c = new CoreSltoRecord();
c.setIsvalid((short)1);
list.add(c);
List<CoreSltoRecord> listall = new ArrayList<CoreSltoRecord>();
listall.addAll(list);
for(CoreSltoRecord r : list){
r.setIsvalid((short)2);
}
// for(CoreSltoRecord r : listall){
// r.setIsvalid((short)2);
// }
System.out.println(list.get(0).getIsvalid()); //值都是2
System.out.println(listall.get(0).getIsvalid());//值都是2
}
}