Java实现文件复制

import  java.io.FileInputStream;  
import  java.io.FileOutputStream;  
import  java.io.IOException;  
/**  
 * <p>CopyFile.java</p>  
 * <p>Created on Apr 17, 2009, 4:33:43 PM</p>  
 * <p>Copyright (c) 2007-2009. CUCKOO Workgroup, USTC, P.R.China</p>  
 * @author Ren Jian  
 */   
public   class  CopyFile {  
    private   boolean  copy(String fileFrom, String fileTo) {  
        try  {  
            FileInputStream in = new  java.io.FileInputStream(fileFrom);  
            FileOutputStream out = new  FileOutputStream(fileTo);  
            byte [] bt =  new   byte [ 1024 ];  
            int  count;  
            while  ((count = in.read(bt)) >  0 ) {  
                out.write(bt, 0 , count);  
            }  
            in.close();  
            out.close();  
            return   true ;  
        } catch  (IOException ex) {  
            return   false ;  
        }  
    }  

}