复制代码代码如下:
impor java.io.bufferedReader;
impor java.io.file;
impor java.io.fileInputStream;
impor java.io.filenotfoundException;
impor java.io.filereader;
impor java.io.ioException;
impor java.io.inputstream;
impor java.io.reader;
kelas publik ioread {
/**
* @param args
*文件的读写
*/
public static void main (string [] args) {
// TODO Stub Metode yang dihasilkan otomatis
mencoba {
// 方法一
BufferedReader BR = BufferedReader baru (filereader baru (file baru (
"D: /Project/transfar/doc/1.txt")));
// StringBuilder bd = stringBuilder baru ();
StringBuffer BD = New StringBuffer ();
while (true) {
String str = br.readline ();
if (str == null) {
merusak;
}
System.out.println (str);
BD.Append (str);
}
br.close ();
// System.out.println (bd.tostring ());
// 方法二
InputStream adalah = FileInputStream baru (file baru ("d: /project/transfar/doc/1.txt"));
byte b [] = byte baru [integer.parseint (file baru ("d: /project/transfar/doc/1.txt"). length ()
+ "")];
IS. Baca (b);
System.out.write (b);
System.out.println ();
is.close ();
// 方法三
Pembaca r = filereader baru (file baru ("d: /project/transfar/doc/1.txt"));
char c [] = file baru [(int) baru ("d: /project/transfar/doc/1.txt"). length ()];
R.Read (C);
String str = string baru (c);
System.out.print (str);
r.close ();
} catch (runtimeException e) {
// TODO Blok tangkapan yang dihasilkan otomatis
e.printstacktrace ();
} catch (FileNotFoundException e) {
// TODO Blok tangkapan yang dihasilkan otomatis
e.printstacktrace ();
} catch (ioException e) {
// TODO Blok tangkapan yang dihasilkan otomatis
e.printstacktrace ();
}
}
}