List跟Set转换

List和Set转换List list new ArrayList(new Hashset())// Fixed-size list List list Arrays.asList(

List和Set转换

List list = new ArrayList(new Hashset());// Fixed-size list
List list = Arrays.asList(array);// Growable
list list = new LinkedList(Arrays.asList(array));// Duplicate elements are discarded
Set set = new HashSet(Arrays.asList(array));