use Digest::MD5 'md5_hex';
use Math::BigInt;

my $plain  = "abcd1234";
my $digest = Math::BigInt::->from_hex(md5_hex $plain);
print $digest, "\n";

##</code><code>##

import java.security.MessageDigest;
import java.math.BigInteger;

public class Hash
{
	public static void main( String[] args ) throws Exception
	{
		MessageDigest md5    = MessageDigest.getInstance("MD5");
		String        plain  = "abcd1234";
		BigInteger    digest = new BigInteger(1, md5.digest(plain.getBytes("UTF-8")));
		
		System.out.println( digest.abs() );
	}
}