bufferedinputStream操作

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();



    }

}