[Java知识库]使用FileOutputStream和FileInputStream复制(图片，文本，视频.....)文件

将C:\Java Study Source\1.3\06-File类与IO流\04 IO字节流\1_8_4_02一切皆为字节.avi 复制到C:\File中

package Demo01_OutPutStream;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

/*
 * 将C:\Java Study Source\1.3\06-File类与IO流\04 IO字节流\1_8_4_02一切皆为字节.avi	复制到C:\File中
 */
public class Demo06_Copy {

	public static void main(String[] args) throws IOException {
		FileInputStream fis = new FileInputStream("C:\\Java Study Source\\1.3\\06-File类与IO流\\04 IO字节流\\1_8_4_02一切皆为字节.avi");
		FileOutputStream fos = new FileOutputStream("C:\\File\\myCopy.avi");
		
		long star = System.currentTimeMillis();
		int len = 0;
		while((len = fis.read()) != -1){
			fos.write(len);
		}
		System.out.println("复制完成");
		long end = System.currentTimeMillis();
		System.out.println("用时" + (end - star) / 1000 + "秒");
		
	}
}