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From: Jeff Higgins <jeff@invalid.invalid>
Newsgroups: comp.lang.java.programmer
Subject: Re: is that possible to include a small PNG file as part of Java class?
Date: Mon, 23 Jun 2014 16:19:08 -0400
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On 06/23/2014 04:08 PM, Joerg Meier wrote:
> On Mon, 23 Jun 2014 15:46:05 -0400, Jeff Higgins wrote:
>
>> On 06/23/2014 03:15 PM, Joerg Meier wrote:
>>> This is obviously a horrible idea. As others have said, you should learn
>>> how to use a build tool. That being said, who doesn't like a challenge ?
>>> The posted solutions here are pretty horrible too, so I made this
>>> (apologies for line length):
>> JDK 8 has java.util.Base64, that will make your example different.
>
> Is there any reason to use that over the already existing DatatypeConverter
> .printBase64Binary ?

Not so much DatatypeConverter, but
Apache Commons IO IOUtils means another lib.

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Base64;

public class PrintFile {

   public static void main(String[] args)
       throws IOException {
     File file = new File(args[0]);
     try (FileInputStream input =
         new FileInputStream(file)) {
       byte[] src = new byte[(int) file.length()];
       input.read(src);
       System.out.println(
           Base64.getMimeEncoder().encodeToString(src));
     }
   }
}