From the course: Writing Secure Code for Android by Infosec

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Special characters, part 2

Special characters, part 2

From the course: Writing Secure Code for Android by Infosec

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Special characters, part 2

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- Special characters part two. Now we have this idea of the Unicode. What's Unicode? Well, in the early days of computing, it was thought that if you looked at a keyboard, and we had a character set called ASCII, and it was thought that we only needed, and originally it was just seven bits for a character. And seven bits allows you to have 128 possible combinations. And they thought that's enough for the English language. And then they said, they decided, okay, let's add one more bit so that it can be 256 and we call that Extended ASCII. Well, 256 characters for uppercase, lowercase numbers, that's okay, and a few symbols, that's okay on an English keyboard, that doesn't cut it for a whole lot of other languages. So like when you have Chinese, Japanese, Arabic, Russian, Korean, you're going to need an extended character set way beyond an eight bit character set. And that's where Unicode comes in. So Unicode is an extended character set. They went to 16 bits and they've even gone…

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