import java.io.BufferedReader; import java.io.IOException; import java.nio.charset.StandardCharsets; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.util.ArrayList; import java.util.List; /** * Created by soy */ public class CSVReader { List〈person〉 personList = readPersonFromCSV("person.csv"); private List〈person〉 readPersonFromCSV(String fileName) { List〈person〉 personList = new ArrayList<>(); Path pathToFile = Paths.get(fileName); try (BufferedReader br = Files.newBufferedReader(pathToFile, StandardCharsets.UTF_8)) { String line; while ((line = br.readLine()) != null) { String[] datas = line.split(","); Person person = new Person(Integer.parseInt(datas[0]), datas[1], datas[2]); personList.add(person); } } catch (IOException e) { e.printStackTrace(); } return personList; } } class Person { private int no; private String name; private String telephoneNumber; public Person(int no, String name, String telephoneNumber) { this.no = no; this.name = name; this.telephoneNumber = telephoneNumber; } @Override public String toString() { final StringBuilder sb = new StringBuilder("Person{"); sb.append("name='").append(name).append('\''); sb.append(", no=").append(no); sb.append(", telephoneNumber='").append(telephoneNumber).append('\''); sb.append('}'); return sb.toString(); } public String getName() { return name; } public void setName(String name) { this.name = name; } public int getNo() { return no; } public void setNo(int no) { this.no = no; } public String getTelephoneNumber() { return telephoneNumber; } public void setTelephoneNumber(String telephoneNumber) { this.telephoneNumber = telephoneNumber; } }
가장 원초적인 방법으로 CSV 파일 읽기
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