2024年5月10日发(作者:)

public class demo {

public static void main(String[] args) {

List persons = (

new Person("张三", 1L),

new Person("李四", 2L)

);

// 将Peson集合转化为String集合

List strs=().map(person -> e()).collect(());

n("strs = " + strs);

// 将Person集合转化为Student集合

List students = ().map(person -> {

Student student = new Student();

operties(person, student);

if (e() == "张三") {

oolName("三中");

(3L);

}

if (e() == "李四") {

oolName("四中");

(4L);

}

return student;

}).collect(());

n("students = " + students);

}

}