java 数组转字符串(以逗号分隔开)
(1)方法一:
String.join(",", list.stream().map(String::valueOf).collect(Collectors.toList())
(2)方法二:
Joiner.on(",").join(list)
(1)方法一:
String.join(",", list.stream().map(String::valueOf).collect(Collectors.toList())
(2)方法二:
Joiner.on(",").join(list)