本文共 837 字，大约阅读时间需要 2 分钟。

@Data

@AllArgsConstructor @NoArgsConstructor public class StudentOne {       private String name;       private String city;       private Integer age; }   @Data @AllArgsConstructor @NoArgsConstructor public class StudentTwo {       private String name;       private String city;   }   package com.test.service.serviceimpl;   import java.util.ArrayList; import java.util.List; import java.util.stream.Collectors;   public class StudentDemo {   public List<StudentTwo>  streamForNewList(){       List<StudentOne> list = new ArrayList<StudentOne>();         StudentOne one = new StudentOne("张三", "北京", 12);     StudentOne two = new StudentOne("李四", "上海", 15);     StudentOne three = new StudentOne("王五", "深圳", 9);       list.add(one);     list.add(two);     list.add(three);       List<StudentTwo> newList = list.stream().map(e -> new StudentTwo(e.getName(), e.getCity())).collect(Collectors.toList());       return newList; } };

转载地址：https://blog.csdn.net/zzchances/article/details/114965287 如侵犯您的版权，请留言回复原文章的地址，我们会给您删除此文章，给您带来不便请您谅解！