java8中List对象转另一个List对象

public class Persion {
    private String name;
    private String age;
    private String sex;
 
    public Persion(){}
    public Persion(String name, String age, String sex) {
        this.name = name;
        this.age = age;
        this.sex = sex;
    }
 
    public String getName() {
        return name;
    }
 
    public void setName(String name) {
        this.name = name;
    }
 
    public String getAge() {
        return age;
    }
 
    public void setAge(String age) {
        this.age = age;
    }
 
    public String getSex() {
        return sex;
    }
 
    public void setSex(String sex) {
        this.sex = sex;
    }
 
    @Override
    public String toString() {
        return "Persion{" +
                "name='" + name + '\'' +
                ", age='" + age + '\'' +
                ", sex='" + sex + '\'' +
                '}';
    }
}

public class Student {
    private String name;
    private String sex;
 
    public Student() {
    }
 
    public Student(String name, String sex) {
        this.name = name;
        this.sex = sex;
    }
 
    public String getName() {
        return name;
    }
 
    public void setName(String name) {
        this.name = name;
    }
 
    public String getSex() {
        return sex;
    }
 
    public void setSex(String sex) {
        this.sex = sex;
    }
}

public class TestMain {
    public static void main(String[] args) {
        List<Persion> persions = getData();
        persions.forEach( v->{
 
        });
 
        List<Student> studentList = persions.stream().map(v -> {
            return new Student(v.getName(), v.getSex());
        }).collect(Collectors.toList());
 
    }
 
    public static List<Persion> getData(){
        List<Persion> arrayList = new ArrayList<>();
        arrayList.add(new Persion("李四","20","男"));
        arrayList.add(new Persion("王麻子","30","男"));
        arrayList.add(new Persion("wangwu","10","女"));
        arrayList.add(new Persion("wangwu","10","女"));
        arrayList.add(null);
        return arrayList;
    }
}