提问人:SOJSON用户
提问日期:2016-06-06 16:23
热度:344
soゝso|
2016-06-06 17:24
补充一下:
Long[] arrayLong = (Long[]) ids.toArray();
如果报错。那就用
Long[] arrayLong = ids.toArray(new Long[0]);
soゝso|
2016-06-06 16:26
List转数组
List<Long> ids = new ArrayList<Long>();
Object[] array = ids.toArray();
//泛型需要强转
Long[] arrayLong = (Long[]) ids.toArray();
数组转list
List<Long> list = Arrays.asList(arrayLong);
即可,