你创建了一个放Student的List,要往里面放Student而不是放Student的属性,先把Student定义好,然后往List里加就行了
students数组的元素是student对象,要添加student实体
students.add(new Student(......));
参考如下实现(name和age可以换成你自己的学生信息):
public static void main(String[] args) {
ArrayList<Student> studentArrayList = new ArrayList<>();
Student student1 = new Student();
student1.setName("小白");
student1.setAge(23);
studentArrayList.add(student1);
Student student2 = new Student();
student2.setName("小红");
student2.setAge(24);
studentArrayList.add(student2);
}
如有帮助,欢迎采纳!