用逗号分割后如何在连字符上分割？

Question

我有以下输入字符串： Panama-Eduardo, Colombia-Elena

我用逗号分割字符串

String[] arr = input.split(",");

这导致

arr[0] = "Panama-Eduardo"
arr[1] = "Colombia-Elena"

我的问题是：以后如何在连字符处拆分这些字符串，以便获得以下结果：

第一组：

• Panama

• Eduardo

第2组：

• Colombia

• Elena

Answer 1

您只需再打split一次即可。例如：List<String[]>&nbsp;result&nbsp;=&nbsp;Arrays.stream(input.split(",")) &nbsp;&nbsp;&nbsp;&nbsp;.map(s&nbsp;->&nbsp;s.split("-")) &nbsp;&nbsp;&nbsp;&nbsp;.collect(Collectors.toList());

Answer 2

请运行以下代码：public class SplitExplained {&nbsp; &nbsp; public static void main(String[] args) {&nbsp; &nbsp; &nbsp; &nbsp; String input = "Panama-Eduardo, Colombia-Elena";&nbsp; &nbsp; &nbsp; &nbsp; String[] names = input.split(",");&nbsp; &nbsp; &nbsp; &nbsp; for (int i = 0; i < names.length; i++) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; String[] strings = names[i].split("-");&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; System.out.println("Group " + (i + 1));&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; System.out.println(" ." + strings[0].trim());&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; System.out.println(" ." + strings[1].trim());&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; System.out.println();&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; }}

Answer 3

您可以遍历数组以进一步拆分。List<String> list = new ArrayList<>();for (String s : arr) {&nbsp; &nbsp; list.add(s.split("-"));}