#BufferedInputStream,BufferedoutputStream 字节缓冲流
package com.lzy.PutStream;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
/**
* 字节缓冲流
* @author 栗志勇
*
*/
public class gTestBufferedInputOutputStream {
public static void main(String[] args) {
copy("E:\\JAVA三百集\\01_java入门阶段\\003_多种编程语言介绍.mp4","C:\\Users\\Administration\\Desktop\\新建文件夹\\copy.mp4");
}
public static void copy(String srcPath,String destPath) {
File src=new File(srcPath);
File dest=new File(destPath);
//选择流
//try后面()内加入选择流后,不用再去释放(close()),系统就会自动释放,在前面加上BufferedInputStream和BufferedOutputStream可大大提高输入输出的性能
try(InputStream is=new BufferedInputStream(new FileInputStream(src));
OutputStream os=new BufferedOutputStream(new FileOutputStream(dest));){
//操作
byte[] flush=new byte[1024];
int len;
while((len=is.read(flush))!=-1) {
os.write(flush);
}
os.flush();
}catch(Exception e) {
e.printStackTrace();
}
}
}
//代码从尚学堂Java三百集视频所写,仅用于复习