public static byte codonToAmino(final byte c1,final byte c2,final byte c3){
  final int x1=c1 << DNA_UNKNOWN_BITS2;
  final int x2=c2 << DNA_UNKNOWN_BITS;
  final int x=x1 | x2 | c3;
  return CODON_TO_AMINO[x];
}

public static byte codonToAmino ( final byte c1 , final byte c2 , final byte c3 ) { final int x1 = c1 << DNA_UNKNOWN_BITS2 ; final int x2 = c2 << DNA_UNKNOWN_BITS ; final int x = x1 | x2 | c3 ; return CODON_TO_AMINO [ x ] ; }
converts three characters of a codon into the corresponding amino acid .
