# Help with File() in java

**URL:** <https://forum.kirupa.com/t/help-with-file-in-java/227442>\
**Category:** Uncategorized\
**Created:** [May 30, 2007, 11:39am UTC](https://forum.kirupa.com/t/help-with-file-in-java/227442 "2007-05-30T11:39:18Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![satheesh\_vicky](https://avatars.discourse-cdn.com/v4/letter/s/9fc348/32.png) [@satheesh\_vicky](https://forum.kirupa.com/u/satheesh_vicky)\
**Post date:** [May 30, 2007, 11:39am UTC](https://forum.kirupa.com/t/help-with-file-in-java/227442/1 "2007-05-30T11:39:18Z")

</div>

I want to check many file in my Folder.  
It is very slow.  
I want Increase a speed.

```auto

 for(f1='a';f1<='z';f1++)
                {
                        for(f2='a';f2<='z';f2++)
                        {
                                for(f3='a';f3<='z';f3++)
                                {       
                                        for(f4='a';f4<='z';f4++)
                                        {       
                                        
                                                File f=new File("image/"+String.valueOf(f1)+String.valueOf(f2)+String.valueOf(f3)+String.valueOf(f4)+".jpg");
                                                if(f.canRead())
                                                {
                                                if(i<=19)
                                                {
                                                no*=("image/"+String.valueOf(f1)+String.valueOf(f2)+String.valueOf(f3)+String.valueOf(f4)+".jpg");
                                                i++;
                                                }
                                                }
                                        }
                                }       
                        }
                }

```

Help me.