Question

问个JAVA书上的问题，IO流文件复制，求高手解答

import java.io.*;
public class Aaa{
public static void main(String[] ashs)throws IOException
{
FileInputStream fis=new FileInputStream(ashs[0]);
FileOutputStream fos=new FileOutputStream(ashs[1]);
byte[]buf=new byte[512];
int n=0;
n=fis.read(buf,0,512);
while(n!=-1){
fos.write(buf,0,512);
}fis.close();
fos.close();
}

}
编译后，无限复制图片，请求解答，我是新手
在线等

Answer 1

import java.io.*;
public class Aaa{
public static void main(String[] ashs)throws IOException
{
FileInputStream fis=new FileInputStream(ashs[0]);
FileOutputStream fos=new FileOutputStream(ashs[1]);
byte[]buf=new byte[512];
int n=0;
do{
n=fis.read(buf,0,512);
fos.write(buf,0,512);
}while(n!=-1)
fis.close();
fos.close();
}

}