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
*特别声明:以上内容来自于网络收集,著作权属原作者所有,如有侵权,请联系我们:
admin#shaoqun.com
(#换成@)。