1，示例代码
package com.dsczs.io;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
* 读文件和写文件操作 还可以进行图片的复制操作 带缓存流
* @author Administrator
*
*/
public class Demo06 {
public static void main(String[] args){
InputStream in = null;
OutputStream out = null;
try {
File file = new File("C:/Users/Administrator/Desktop/1/1.png");
in = new BufferedInputStream(new FileInputStream(file));
out = new BufferedOutputStream(new FileOutputStream(new File("C:/Users/Administrator/Desktop/1/10.png")));
byte[] b = new byte[1024];
int len = 0;
while(-1 != (len = in.read(b))){
out.write(b, 0, len);
out.flush();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}finally {
if(in != null){
try {
in.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(out != null){
try {
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
