1.数组转List
Integer [] a = new Integer[10];
List<Integer> b = Arrays.asList(a);
2.List转数组
List<Integer> a = List<Integer>(3);
Integer[] b = (Integer[])a.toArray();
//或者
Integer[] b =a.toArray(new Integer[0]);
Integer [] a = new Integer[10];
List<Integer> b = Arrays.asList(a);
List<Integer> a = List<Integer>(3);
Integer[] b = (Integer[])a.toArray();
//或者
Integer[] b =a.toArray(new Integer[0]);