将文件内容转化为集合对象

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package it_05;

import it_01.Student;

import java.io.*;
import java.util.ArrayList;

public class Demo5 {
    public static void main(String[] args)throws IOException {
        BufferedReader br = new BufferedReader(new FileReader("student.txt"));
        ArrayList<Student> array =new ArrayList<>();
        String line;
        while((line=br.readLine())!=null){
            String[] str = line.split(",");
            Student student =new Student();
            student.setAge(Integer.parseInt(str[0]));
            student.setName(str[1]);
            array.add(student);
        }
        for (Student student : array) {
            System.out.println(student.getAge()+","+student.getName());
        }
        br.close();
    }
}