파일 읽기 10초마다 실행 배치

package test;

import java.io._;  
import java.util._;  
import java.util.concurrent.\*;

public class BatchJobExample {
public static void main(String[] args) {
    // ScheduledExecutorService를 사용해 작업 스케줄링 (1분마다 실행)
    ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);

    Runnable batchTask = new Runnable() {
        @Override
        public void run() {
            try {
                System.out.println("Batch job started at: " + new Date());
                List<Person> data = readDataFromFile("C:\\Users\\user\\eclipse-workspace_sl\\test\\src\\test\\simple-data.csv");
                for (Person person : data) {
                    System.out.println(person);
                }

                System.out.println("Batch job finished at: " + new Date());
                System.out.println("------------------------------------");
                System.out.println();
            } catch (IOException e) {
                System.err.println("Error during batch execution: " + e.getMessage());


            }
        }
    };

    // 작업을 10초마다 실행하도록 스케줄링
    scheduler.scheduleAtFixedRate(batchTask, 0, 3, TimeUnit.SECONDS);

}

// CSV 파일을 읽어 List<Person> 형태로 반환
private static List<Person> readDataFromFile(String fileName) throws IOException {
    List<Person> persons = new ArrayList<>();
    BufferedReader reader = new BufferedReader(new FileReader(fileName));
    String line;
    while ((line = reader.readLine()) != null) {
        String[] tokens = line.split(",");
        if (tokens.length == 2) {
            persons.add(new Person(tokens[0], tokens[1]));
        }
    }
    reader.close();
    return persons;
}
}

class Person {  
private String firstName;  
private String lastName;

public Person(String firstName, String lastName) {
    this.firstName = firstName;
    this.lastName = lastName;
}

@Override
public String toString() {
    return "Person{firstName='" + firstName + "', lastName='" + lastName + "'}";
}
}

C:\Users\user\eclipse-workspace_sl\test\src\test\simple-data.csv" 위치에 저장 된 파일을 읽어 10초마다 콘솔에 출력한다.