隨筆檔案(496)

import java.io.*;

public class FileInputDemo
{
public static void main(String[] args)
{
?? try
?? {
??? FileInputStream f = new FileInputStream("mydata.txt");
??? DataInputStream in = new DataInputStream(f);
??? //BufferedReader br = new BufferedReader(new InputStreamReader(f));
??? while(in.available() != 0)
???? System.out.println(in.readLine());
???? /**
????? * DataInputStream.readLine()已經過時
????? * 使用 DataInputStream 類讀取文本行的程序可以改為使用BufferedReader類
????? * 改用BufferedReader.readLine()方法
????? * 只要將以下形式的代碼：DataInputStream d = new DataInputStream(in);
????? * 替換為：BufferedReader d = new BufferedReader(new InputStreamReader(in));
????? */
??? in.close();
?? }
?? catch(Exception e)
?? {
??? System.err.println("File input error!");
?? }
}
}