使用Lambda .map函数将入参List转换至其它List

import com.alibaba.fastjson.JSON;
import com.example.demo.Demo.dto.Student;
import com.example.demo.pojo.StudentPlus;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;

public class map {
    public static void main(String[] args) {
        Student stu1 = new Student();
        stu1.setId(1);
        stu1.setName("张三");
        stu1.setDate(String.valueOf(new Date()));

        Student stu2 = new Student();
        stu2.setId(2);
        stu2.setName("李四");
        stu2.setDate(String.valueOf(new Date()));

        //过滤学生
        List<StudentPlus> stuPlusList;


        //装载学生类
        List<Student> stuList = new ArrayList<>();
        Collections.addAll(stuList, stu1, stu2);

        //执行逻辑转换
        stuPlusList = stuList.stream().map(item -> {
            StudentPlus stuPlus = new StudentPlus();
            stuPlus.setId(item.getId());
            stuPlus.setName(item.getName());
            stuPlus.setDate(new Date(item.getDate()));
            return stuPlus;
        }).collect(Collectors.toList());

        //输出
        System.out.println(JSON.toJSON(stuPlusList));
    }
}