package cn.jbit.copy;
import java.io.BufferedInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
public class Test {
/**
* @param args
*/
public static void main(String[] args) {
// 1、创建一个文件对象
File file = new File("c:\\01.jpg");
// 2、使用字节流对象读入内存
try {
InputStream fileIn = new FileInputStream(file);
//DataInputStream in = new DataInputStream(fileIn);
// 使用缓存区读入对象效率更快
BufferedInputStream in = new BufferedInputStream(fileIn);
FileOutputStream fileOut = new FileOutputStream("D:\\3.jpg");
DataOutputStream dataOut = new DataOutputStream(fileOut);
// 使用缓存区写入对象效率更快
//BufferedOutputStream dataOut=new BufferedOutputStream(fileOut);
int temp;
while ((temp = in.read()) != -1) {
dataOut.write(temp);
}
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}