| | |
| | | /** |
| | | * 连接List集合 |
| | | * |
| | | * @param list 整数集合 |
| | | * @param join 连接字符 |
| | | * @return |
| | | * @param list list 整数集合 |
| | | * @param join join 连接字符 |
| | | * @param <T> 泛型类 |
| | | * @return 字符串 |
| | | */ |
| | | public static String join(List<Integer> list, String join) { |
| | | public static <T> String join(List<T> list, String join) { |
| | | if (null == list || list.isEmpty()) { |
| | | return ""; |
| | | } |
| | | |
| | | StringBuilder sb = new StringBuilder(); |
| | | for (Integer i : list) { |
| | | if (null != i) { |
| | | sb.append(i.toString() + join); |
| | | for (T t : list) { |
| | | if (null != t) { |
| | | sb.append(t.toString() + join); |
| | | } |
| | | } |
| | | |