【File I / O 處理 03】FileReader, BufferedReader 類別

import java.io.*; import java.util.Scanner;

public class FileIOBufferReader {

 public static void main(String[] args) {
  try {
   String fileName, fileDir;
   
   System.out.println("請輸入檔名： ");
   Scanner sn = new Scanner(System.in);
   fileDir = sn.next();
   
   FileReader file = new FileReader(fileDir);
   BufferedReader bf = new BufferedReader(file);
   do {
    String data = bf.readLine();
    if (data == null)
     break;
    System.out.println(data);
   } while (true);
   
   bf.close();
   
  } catch (IOException e){
   System.out.println("輸入檔案路徑錯誤");
  }
 }

}

執行結果