BufferedInputStream操作-优快云博客

本文提供了三个Java程序示例，展示了如何使用BufferedInputStream进行文件读取及字符输出，同时给出了文件复制的实现方式。通过这些示例，读者可以了解基本的文件输入输出操作。

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import java.io.BufferedInputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; public class BufferedInputStreamTest { public static void main(String[] args) throws IOException { File file = new File("c:\\mm.txt"); FileInputStream fis = new FileInputStream(file); BufferedInputStream bis = new BufferedInputStream(fis); byte[] contents = new byte[1024]; int byteRead = 0; String strFileContents; try { while((byteRead = bis.read(contents)) != -1){ strFileContents = new String(contents,0,byteRead); System.out.println(strFileContents); } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } bis.close(); } }
import java.io.BufferedInputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; public class ReadFileTest { public static void main(String[] args) throws IOException { File file = new File("c:\\mm.txt"); FileInputStream fis = new FileInputStream(file); BufferedInputStream bis = new BufferedInputStream(fis); while(bis.available() > 0){ System.out.print((char)bis.read()); } bis.close(); } }
import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; public class BufferedInputStreamCopyFile { public static void main(String[] args) throws IOException { BufferedInputStream bis = new BufferedInputStream(new FileInputStream("d:\\电影\\sn.ts")); BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream("d:\\电影sn1.ts")); int i; do{ i = bis.read(); if(i != -1){ bos.write(i); } }while(i != -1); bis.close(); bos.close(); } }