Java IO流 之 RandomAccessFile

Posted 2020-11-20 verejava

http://www.verejava.com/?id=16994711024818

package com.randomaccessfile;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.RandomAccessFile;

public class TestDownload
{
    public static void main(String[] args)
    {
        try
        {
            InputStream is=new FileInputStream(new File("res/raf/water.jpg"));
            
            RandomAccessFile raf=new RandomAccessFile(new File("res/raf/new.jpg"),"rw");
            int l=0;
            while((l=is.read())!=-1)
            {
                raf.write(l);
            }
        } catch (FileNotFoundException e)
        {
            e.printStackTrace();
        } catch (IOException e)
        {
            e.printStackTrace();
        }
    }
}

http://www.verejava.com/?id=16994711024818