16. bytestream - (4) FileCopyDemo4 ( 음악파일 복사 )

package bytestream;
 
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
 
public class FileCopyDemo4 {
    
    public static void main(String[] args) throws FileNotFoundException, IOException{
        System.out.println("파일 복사를 시작합니다.");
        long startTime = System.currentTimeMillis();
        
        FileInputStream fis = new FileInputStream("c:/files/SleepAway.mp3");
        FileOutputStream fos = new FileOutputStream("c:/files/sleep away.mp3");
        
        int value = 0;
        while ((value = fis.read()) != -1) {
            fos.write(value);
        }
        
        fis.close();
        fos.close();
        
        long endTime = System.currentTimeMillis();
        System.out.println("파일 복사가 종료되었습니다.");
        System.out.println("소요시간 : " + ((endTime - startTime) / 1000 + "초"));
    }
}