I need a shallow copy of an java ArrayList
, should I use clone()
or iterate over original list and copy elements in to new arrayList, which is faster ?
I need a shallow copy of an java ArrayList
, should I use clone()
or iterate over original list and copy elements in to new arrayList, which is faster ?
No need to iterate:
List original = ...
List shallowCopy = new ArrayList(original);
http://java.sun.com/javase/6/docs/api/java/util/ArrayList.html#ArrayList%28java.util.Collection%29