Emoji Research for my OOP classes
According to the UTF-8 specification, number of bytes in UTF-8 character can be calculated as follows:
| Number of bytes | First code point | Last code point | Byte 1 | Byte 2 | Byte 3 | Byte 4 | Byte 5 | Byte 6 |
|---|---|---|---|---|---|---|---|---|
| 1 | U+0000 | U+007F | 0xxxxxxx | |||||
| 2 | U+0080 | U+07FF | 110xxxxx | 10xxxxxx | ||||
| 3 | U+0800 | U+FFFF | 1110xxxx | 10xxxxxx | 10xxxxxx | |||
| 4 | U+10000 | U+1FFFFF | 11110xxx | 10xxxxxx | 10xxxxxx | 10xxxxxx | ||
| 5 | U+200000 | U+3FFFFFF | 111110xx | 10xxxxxx | 10xxxxxx | 10xxxxxx | 10xxxxxx | |
| 6 | U+4000000 | U+7FFFFFFF | 1111110x | 10xxxxxx | 10xxxxxx | 10xxxxxx | 10xxxxxx | 10xxxxxx |
| Emoji | Unicode Code | Binary (using Emoji app I’ve written) | Size |
|---|---|---|---|
| 🙂 | U+1F642 | 11110000 10011111 10011001 10000010 | 4 bytes |
| 🥴 | U+1F974 | 11110000 10011111 10100101 10110100 | 4 bytes |
| 🤤 | U+1F924 | 11110000 10011111 10100100 10100100 | 4 bytes |
| 😛 | U+1F61B | 11110000 10011111 10011000 10011011 | 4 bytes |
| 💳 | U+1F4B3 | 11110000 10011111 10010010 10110011 | 4 bytes |