Converting ArrayList of Characters to a String?

前端 未结 11 2129
清歌不尽
清歌不尽 2020-12-05 13:39

How to convert an ArrayList to a String in Java? The toString method returns it as [a,b,c] string - I wa

11条回答
  •  抹茶落季
    2020-12-05 13:55

    a tiny complement to @waggledans 's answer

    a) List of Character objects to String :

    String str = chars.stream().map(e->e.toString()).collect(Collectors.joining());
    

    which e->e.toString() can be replaced by Object::toString

    String str = chars.stream().map(Object::toString).collect(Collectors.joining());
    

提交回复
热议问题