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JavaIO和JavaNIO

发布时间:2015-11-24 22:00:32
1、IO的例子/* 字节IO */ public void byteIO() throws FileNotFoundException, IOException { FileInputStream fin = new FileInputStream(new File( ...

1、IO的例子

/* 字节IO */  public void byteIO() throws FileNotFoundException, IOException {    FileInputStream fin = new FileInputStream(new File(        "D:\\test\\byteio_in.txt"));    FileOutputStream fout = new FileOutputStream(new File(        "D:\\test\\byteio_out.txt"));    int c = -1;    while ((c = fin.read()) != -1) {      fout.write(c);    }    fin.close();    fout.close();  }  /* 字符IO */  public void charIO() throws FileNotFoundException, IOException {    FileReader reader = new FileReader(new File("D:\\test\\chario_in.txt",        ""));    FileWriter writer = new FileWriter(new File("D:\\test\\chario_out.txt"));    char[] charArr = new char[512];    while (reader.read(charArr) != -1) {      writer.write(charArr);    }    reader.close();    writer.close();  }  /* bufferIO */  public void bufferIO() throws FileNotFoundException, IOException {    BufferedInputStream bufferReader = new BufferedInputStream(        new FileInputStream("D:\\test\\bufferio_in.txt"));    BufferedOutputStream bufferWriter = new BufferedOutputStream(        new FileOutputStream("D:\\test\\bufferio_out.txt"));    int c = -1;    while ((c = bufferReader.read()) != -1) {      bufferWriter.write(c);    }    bufferReader.close();    bufferWriter.close();  }

原标题:JavaIO和JavaNIO

关键词:JAVA

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