Java拷贝文件

  import java.io.*;
  public class jCOPY{
  public static void main(String args[]){
  try{
  jCOPY j=new jCOPY();j.CopyFile(new File(args[0]),new File(args[1]));
  }
  catch(Exception e){
  e.printStackTrace();
  }
  }
  public void CopyFile(File in,File out)throws Exception{
  FileInputStream fis=new FileInputStream(in);
  FileOutputStream fos=new FileOutputStream(out);
  byte[]buf=new byte[1024];
  int i=0;
  while((i=fis.read(buf))!=-1){
  fos.write(buf,0,i);
  }
  fis.close();
  fos.close();
  }
  }