public static int convertBytesToInt(byte[] array,
    int offset) 
{
        return convertBytesToInt(array[offset + 3], array[offset + 2], array[offset + 1], array[offset]);
}

 public static int convertBytesToInt(byte firstByte,
    byte secondByte,
    byte thirdByte,
    byte fourthByte) 
{
        int firstInt = 0xff & firstByte;
        int secondInt = 0xff & secondByte;
        int thirdInt = 0xff & thirdByte;
        int fourthInt = 0xff & fourthByte;
        return (firstInt < <  24) | (secondInt < <  16) | (thirdInt < <  8) | fourthInt;
}

 public static short convertBytesToShort(byte firstByte,
    byte secondByte) 
{
        return (short)convertBytesToInt((byte)0, (byte)0, firstByte, secondByte);
}

 public static short convertBytesToShort(byte[] array,
    int offset) 
{
        return convertBytesToShort(array[offset + 1], array[offset]);
}

 public static int convertUnsignedByteToInt(byte b) 
{
        return (0xff & b);
}

 public static char getUnicodeCharacter(byte[] array,
    int offset) 
{
      return (char)convertBytesToShort(array, offset);
}