char c = �\ucafe�;

[Aleksandar Stojanovic]

Hello Fellows
Is anybody could explain me how this is represent char in Unicode notation?
char c = �\ucafe�;
I am confused because until now I�ve seen only �\u0022�, �\u0xAD�, etc.

[Jim Yingst]

Unicode escapes use hexadecimal notation, using digits 0-9 and letters a-f (or A-f). As it happens, c, a, f, and e are all hex digits. So "cafe" is a hexadecimal number, which evaluates to 51966. In unicode this is assigned to a Hangul (Korean) character, 쫾. If you don't have the font installed for that - well, trust me; it's a Korean character.

[Aleksandar Stojanovic]

Thanks Jim Yingst

but I thought that hexadecimal representation must have 0x before any character or number.

[Jim Yingst]

There are a couple different formats here. Unicode escapes look like \u0010, \u00FF, or \ucafe. No X. Escape sequences for character and string literals include octal escapes, which look like \12 or \377, still no X, and use octal rather than hex. Integer literals look like 45, 071, or 0x3FF. These can be in decimal, hex or octal, so the "0" and "0x" (or "0X") are needed to tell which is used. Note that when you use these, there's no \ or u.

[Aleksandar Stojanovic]

Thanks a lot Jim