In Java, remove empty elements from a list of Strings

前端 未结 11 2404
余生分开走
余生分开走 2020-12-01 06:05

In Java, I have an ArrayList of Strings like:

[,Hi, ,How,are,you]

I want to remove the null and empty elements, how to change it so it is l

11条回答
  •  青春惊慌失措
    2020-12-01 06:25

    Its a very late answer, but you can also use the Collections.singleton:

    List list = new ArrayList(Arrays.asList("", "Hi", null, "How"));
    list.removeAll(Collections.singleton(null));
    list.removeAll(Collections.singleton(""));
    

提交回复
热议问题