List<Map<String, Object>> retList = resultList.stream().sorted(
Comparator.comparing(
x -> x.get("col1").toString()
+ x.get("col2").toString()
+ x.get("col3").toString())).collect(Collectors.toList());
List<Bean> 的處理方式同理
List<Map<String, Object>> retList = resultList.stream().sorted(
Comparator.comparing(
x -> x.get("col1").toString()
+ x.get("col2").toString()
+ x.get("col3").toString())).collect(Collectors.toList());
List<Bean> 的處理方式同理
前提條件:jdk1.8之後使用 public class CollectionTest { public static void main(String[] args) { Collection<